diff --git a/samples/3d-accessibility-features/index.html b/samples/3d-accessibility-features/index.html
index 920f5be5a..4a357d88e 100644
--- a/samples/3d-accessibility-features/index.html
+++ b/samples/3d-accessibility-features/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-camera-boundary/index.html b/samples/3d-camera-boundary/index.html
index f84395145..b2c63bac8 100644
--- a/samples/3d-camera-boundary/index.html
+++ b/samples/3d-camera-boundary/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-camera-center/index.html b/samples/3d-camera-center/index.html
index d5185bf35..b13f7c289 100644
--- a/samples/3d-camera-center/index.html
+++ b/samples/3d-camera-center/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8" 
+                key: "GOOGLE_MAPS_API_KEY" 
             });
         </script>
     </head>
diff --git a/samples/3d-camera-position/index.html b/samples/3d-camera-position/index.html
index a88c3fbf6..0efeafcce 100644
--- a/samples/3d-camera-position/index.html
+++ b/samples/3d-camera-position/index.html
@@ -13,7 +13,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-camera-position/package.json b/samples/3d-camera-position/package.json
index 94e7c0c98..a74f2ba2c 100644
--- a/samples/3d-camera-position/package.json
+++ b/samples/3d-camera-position/package.json
@@ -2,7 +2,7 @@
   "name": "@js-api-samples/3d-camera-position",
   "version": "1.0.0",
   "scripts": {
-    "build": "tsc && bash ../jsfiddle.sh 3d-camera-position && bash ../app.sh 3d-camera-position && bash ../docs.sh 3d-camera-position && npm run build:vite --workspace=. && bash ../dist.sh 3d-camera-position",
+    "build": "bash ../build-single.sh",
     "test": "tsc && npm run build:vite --workspace=.",
     "start": "tsc && vite build --base './' && vite",
     "build:vite": "vite build --base './'",
diff --git a/samples/3d-camera-to-around/index.html b/samples/3d-camera-to-around/index.html
index 82ca9d5e9..498f4b6cf 100644
--- a/samples/3d-camera-to-around/index.html
+++ b/samples/3d-camera-to-around/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-clamp-mode/index.html b/samples/3d-clamp-mode/index.html
index abf9d5efc..14dec6f9c 100644
--- a/samples/3d-clamp-mode/index.html
+++ b/samples/3d-clamp-mode/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-coverage-map/index.html b/samples/3d-coverage-map/index.html
index 6c05d75bd..1b1e509c4 100644
--- a/samples/3d-coverage-map/index.html
+++ b/samples/3d-coverage-map/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-hero-showcase/index.html b/samples/3d-hero-showcase/index.html
index 50cb6a31b..6bd4b0e46 100644
--- a/samples/3d-hero-showcase/index.html
+++ b/samples/3d-hero-showcase/index.html
@@ -23,7 +23,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-label-toggle/index.html b/samples/3d-label-toggle/index.html
index 50e618165..fd267adeb 100644
--- a/samples/3d-label-toggle/index.html
+++ b/samples/3d-label-toggle/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-localization/index.html b/samples/3d-localization/index.html
index 934afff74..10338fa23 100644
--- a/samples/3d-localization/index.html
+++ b/samples/3d-localization/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-map-45-degree-locked/index.html b/samples/3d-map-45-degree-locked/index.html
index 95e0fdc4e..05dde4845 100644
--- a/samples/3d-map-45-degree-locked/index.html
+++ b/samples/3d-map-45-degree-locked/index.html
@@ -12,7 +12,7 @@
         <script type="module" src="./index.js"></script>
         <script
             async
-            src="https://maps.googleapis.com/maps/api/js?loading=async&key=AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8&libraries=maps3d"></script>
+            src="https://maps.googleapis.com/maps/api/js?loading=async&key=GOOGLE_MAPS_API_KEY&libraries=maps3d"></script>
     </head>
     <body>
         <gmp-map-3d
diff --git a/samples/3d-map-45-degree/index.html b/samples/3d-map-45-degree/index.html
index 152edd70a..12658eaab 100644
--- a/samples/3d-map-45-degree/index.html
+++ b/samples/3d-map-45-degree/index.html
@@ -13,7 +13,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-map-events/index.html b/samples/3d-map-events/index.html
index 546f6a604..e876aee0b 100644
--- a/samples/3d-map-events/index.html
+++ b/samples/3d-map-events/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-map-roadmap/index.html b/samples/3d-map-roadmap/index.html
index 518bcec02..93eb437fe 100644
--- a/samples/3d-map-roadmap/index.html
+++ b/samples/3d-map-roadmap/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8",
+                key: "GOOGLE_MAPS_API_KEY",
                 v: "alpha" 
             });
         </script>
diff --git a/samples/3d-map-styling/index.html b/samples/3d-map-styling/index.html
index c624d2af1..b25e17add 100644
--- a/samples/3d-map-styling/index.html
+++ b/samples/3d-map-styling/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-marker-click-event/index.html b/samples/3d-marker-click-event/index.html
index eccdc4ca0..3d1892105 100644
--- a/samples/3d-marker-click-event/index.html
+++ b/samples/3d-marker-click-event/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-marker-collision-behavior/index.html b/samples/3d-marker-collision-behavior/index.html
index 1eac263d4..46f1e0633 100644
--- a/samples/3d-marker-collision-behavior/index.html
+++ b/samples/3d-marker-collision-behavior/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-marker-customization/index.html b/samples/3d-marker-customization/index.html
index 5a3bbf27e..c466ccf4c 100644
--- a/samples/3d-marker-customization/index.html
+++ b/samples/3d-marker-customization/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-marker-graphics/index.html b/samples/3d-marker-graphics/index.html
index 9e74e9377..6f03685de 100644
--- a/samples/3d-marker-graphics/index.html
+++ b/samples/3d-marker-graphics/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-marker-html/index.html b/samples/3d-marker-html/index.html
index d62dc5760..af5eca845 100644
--- a/samples/3d-marker-html/index.html
+++ b/samples/3d-marker-html/index.html
@@ -11,7 +11,7 @@
         <link rel="stylesheet" type="text/css" href="./style.css" />
         <script
             async
-            src="https://maps.googleapis.com/maps/api/js?loading=async&key=AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8&libraries=maps3d"></script>
+            src="https://maps.googleapis.com/maps/api/js?loading=async&key=GOOGLE_MAPS_API_KEY&libraries=maps3d"></script>
     </head>
     <body>
         <gmp-map-3d
diff --git a/samples/3d-marker-interactive/index.html b/samples/3d-marker-interactive/index.html
index 2f1d7220d..e08956340 100644
--- a/samples/3d-marker-interactive/index.html
+++ b/samples/3d-marker-interactive/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-mesh-flatten/index.html b/samples/3d-mesh-flatten/index.html
index 340abb122..ec3bdf8f1 100644
--- a/samples/3d-mesh-flatten/index.html
+++ b/samples/3d-mesh-flatten/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-model-interactive/index.html b/samples/3d-model-interactive/index.html
index 70d9ca97e..6e117d52c 100644
--- a/samples/3d-model-interactive/index.html
+++ b/samples/3d-model-interactive/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-model/index.html b/samples/3d-model/index.html
index 251fc359a..4e8733f24 100644
--- a/samples/3d-model/index.html
+++ b/samples/3d-model/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-places-autocomplete/index.html b/samples/3d-places-autocomplete/index.html
index b17e1fb08..31340f94c 100644
--- a/samples/3d-places-autocomplete/index.html
+++ b/samples/3d-places-autocomplete/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-places/index.html b/samples/3d-places/index.html
index 1f45b428e..30be37953 100644
--- a/samples/3d-places/index.html
+++ b/samples/3d-places/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-polygon-click-event/index.html b/samples/3d-polygon-click-event/index.html
index 78311109d..385ce3e1b 100644
--- a/samples/3d-polygon-click-event/index.html
+++ b/samples/3d-polygon-click-event/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-polygon-extruded-hole/index.html b/samples/3d-polygon-extruded-hole/index.html
index 813b87add..f06491b0e 100644
--- a/samples/3d-polygon-extruded-hole/index.html
+++ b/samples/3d-polygon-extruded-hole/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-polygon/index.html b/samples/3d-polygon/index.html
index b1a96cffe..7093f6e17 100644
--- a/samples/3d-polygon/index.html
+++ b/samples/3d-polygon/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-polyline-click-event/index.html b/samples/3d-polyline-click-event/index.html
index 38aa48b32..e125de38f 100644
--- a/samples/3d-polyline-click-event/index.html
+++ b/samples/3d-polyline-click-event/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-polyline-extruded/index.html b/samples/3d-polyline-extruded/index.html
index cb45394d1..85e55c69d 100644
--- a/samples/3d-polyline-extruded/index.html
+++ b/samples/3d-polyline-extruded/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-polyline/index.html b/samples/3d-polyline/index.html
index 543d55f95..3acf96de4 100644
--- a/samples/3d-polyline/index.html
+++ b/samples/3d-polyline/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-popover-location/index.html b/samples/3d-popover-location/index.html
index e7e8c1552..deddda3e3 100644
--- a/samples/3d-popover-location/index.html
+++ b/samples/3d-popover-location/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-popover-marker/index.html b/samples/3d-popover-marker/index.html
index b8b4a7196..31c462963 100644
--- a/samples/3d-popover-marker/index.html
+++ b/samples/3d-popover-marker/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-simple-map-declarative/index.html b/samples/3d-simple-map-declarative/index.html
index 945ac2d0f..2e5ead07c 100644
--- a/samples/3d-simple-map-declarative/index.html
+++ b/samples/3d-simple-map-declarative/index.html
@@ -11,7 +11,7 @@
         <link rel="stylesheet" type="text/css" href="./style.css" />
         <script
             async
-            src="https://maps.googleapis.com/maps/api/js?loading=async&key=AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8&libraries=maps3d"></script>
+            src="https://maps.googleapis.com/maps/api/js?loading=async&key=GOOGLE_MAPS_API_KEY&libraries=maps3d"></script>
     </head>
     <body>
         <gmp-map-3d center="37.7704,-122.3985,500" tilt="67.5" mode="hybrid">
diff --git a/samples/3d-simple-map/index.html b/samples/3d-simple-map/index.html
index 10a78c795..d1bed2c68 100644
--- a/samples/3d-simple-map/index.html
+++ b/samples/3d-simple-map/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/3d-simple-marker/index.html b/samples/3d-simple-marker/index.html
index 58b10d073..aaa45acb4 100644
--- a/samples/3d-simple-marker/index.html
+++ b/samples/3d-simple-marker/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/add-map/index.html b/samples/add-map/index.html
index e404f3437..308a37f43 100644
--- a/samples/add-map/index.html
+++ b/samples/add-map/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/address-validation/index.html b/samples/address-validation/index.html
index 6b84f270e..63b2d50ab 100644
--- a/samples/address-validation/index.html
+++ b/samples/address-validation/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/advanced-markers-accessibility/index.html b/samples/advanced-markers-accessibility/index.html
index 2bc919478..7d47a556d 100644
--- a/samples/advanced-markers-accessibility/index.html
+++ b/samples/advanced-markers-accessibility/index.html
@@ -15,7 +15,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/advanced-markers-altitude/index.html b/samples/advanced-markers-altitude/index.html
index 98f15f194..873af5e4c 100644
--- a/samples/advanced-markers-altitude/index.html
+++ b/samples/advanced-markers-altitude/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/advanced-markers-animation/index.html b/samples/advanced-markers-animation/index.html
index 38150f9f9..587d0ce15 100644
--- a/samples/advanced-markers-animation/index.html
+++ b/samples/advanced-markers-animation/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/advanced-markers-basic-style/index.html b/samples/advanced-markers-basic-style/index.html
index 77c3be1d1..5f5eab914 100644
--- a/samples/advanced-markers-basic-style/index.html
+++ b/samples/advanced-markers-basic-style/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/advanced-markers-collision/index.html b/samples/advanced-markers-collision/index.html
index ae1b15884..4fb9db312 100644
--- a/samples/advanced-markers-collision/index.html
+++ b/samples/advanced-markers-collision/index.html
@@ -22,7 +22,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/advanced-markers-draggable/index.html b/samples/advanced-markers-draggable/index.html
index 078611f64..95568889b 100644
--- a/samples/advanced-markers-draggable/index.html
+++ b/samples/advanced-markers-draggable/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/advanced-markers-graphics/index.html b/samples/advanced-markers-graphics/index.html
index c8b0a16c3..dc34b5f8d 100644
--- a/samples/advanced-markers-graphics/index.html
+++ b/samples/advanced-markers-graphics/index.html
@@ -13,7 +13,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/advanced-markers-html-simple/index.html b/samples/advanced-markers-html-simple/index.html
index 1b104c75e..3e7311146 100644
--- a/samples/advanced-markers-html-simple/index.html
+++ b/samples/advanced-markers-html-simple/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/advanced-markers-html/index.html b/samples/advanced-markers-html/index.html
index c45f8e37e..845e9b37f 100644
--- a/samples/advanced-markers-html/index.html
+++ b/samples/advanced-markers-html/index.html
@@ -16,7 +16,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/advanced-markers-simple/index.html b/samples/advanced-markers-simple/index.html
index 2eb922c9e..fa0ea879e 100644
--- a/samples/advanced-markers-simple/index.html
+++ b/samples/advanced-markers-simple/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/advanced-markers-zoom/index.html b/samples/advanced-markers-zoom/index.html
index cfd4b2c85..a5a47156a 100644
--- a/samples/advanced-markers-zoom/index.html
+++ b/samples/advanced-markers-zoom/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/ai-powered-summaries-basic/index.html b/samples/ai-powered-summaries-basic/index.html
index 0cb1bbbb8..d6ce2b93f 100644
--- a/samples/ai-powered-summaries-basic/index.html
+++ b/samples/ai-powered-summaries-basic/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/ai-powered-summaries/index.html b/samples/ai-powered-summaries/index.html
index ce27d6bb8..e0a751294 100644
--- a/samples/ai-powered-summaries/index.html
+++ b/samples/ai-powered-summaries/index.html
@@ -13,7 +13,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/boundaries-choropleth/index.html b/samples/boundaries-choropleth/index.html
index 428b81d77..d1bf4fe80 100644
--- a/samples/boundaries-choropleth/index.html
+++ b/samples/boundaries-choropleth/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/boundaries-click/index.html b/samples/boundaries-click/index.html
index d2af3aaf6..cbd05fb44 100644
--- a/samples/boundaries-click/index.html
+++ b/samples/boundaries-click/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/boundaries-simple/index.html b/samples/boundaries-simple/index.html
index 301e7d4a6..cc9d7928e 100644
--- a/samples/boundaries-simple/index.html
+++ b/samples/boundaries-simple/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/boundaries-text-search/index.html b/samples/boundaries-text-search/index.html
index 91dfd85a2..c8dda6d33 100644
--- a/samples/boundaries-text-search/index.html
+++ b/samples/boundaries-text-search/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/circle-simple/index.html b/samples/circle-simple/index.html
index 54628e2f8..69e88e239 100644
--- a/samples/circle-simple/index.html
+++ b/samples/circle-simple/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/control-bounds-restriction/index.html b/samples/control-bounds-restriction/index.html
index a1b985053..da2249cea 100644
--- a/samples/control-bounds-restriction/index.html
+++ b/samples/control-bounds-restriction/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/control-custom-state/index.html b/samples/control-custom-state/index.html
index 33b55e1c8..fb4383a90 100644
--- a/samples/control-custom-state/index.html
+++ b/samples/control-custom-state/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/control-disableUI/index.html b/samples/control-disableUI/index.html
index 9a51f3dd9..781b2b5cc 100644
--- a/samples/control-disableUI/index.html
+++ b/samples/control-disableUI/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/control-options/index.html b/samples/control-options/index.html
index 0a6a1fce6..02bad2d85 100644
--- a/samples/control-options/index.html
+++ b/samples/control-options/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/control-positioning-labels/index.html b/samples/control-positioning-labels/index.html
index df02076c8..a317f08f4 100644
--- a/samples/control-positioning-labels/index.html
+++ b/samples/control-positioning-labels/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/control-positioning/index.html b/samples/control-positioning/index.html
index 0c958e15f..87d4be78c 100644
--- a/samples/control-positioning/index.html
+++ b/samples/control-positioning/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/control-replacement/index.html b/samples/control-replacement/index.html
index 27f05851d..41ba886c1 100644
--- a/samples/control-replacement/index.html
+++ b/samples/control-replacement/index.html
@@ -17,7 +17,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/control-simple/index.html b/samples/control-simple/index.html
index a53421d67..14d9360b9 100644
--- a/samples/control-simple/index.html
+++ b/samples/control-simple/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/dds-datasets-point/index.html b/samples/dds-datasets-point/index.html
index 86307be6f..68847ce11 100644
--- a/samples/dds-datasets-point/index.html
+++ b/samples/dds-datasets-point/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/dds-datasets-polygon-click/index.html b/samples/dds-datasets-polygon-click/index.html
index cd2a90c59..f477c585f 100644
--- a/samples/dds-datasets-polygon-click/index.html
+++ b/samples/dds-datasets-polygon-click/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/dds-datasets-polygon-colors/index.html b/samples/dds-datasets-polygon-colors/index.html
index 7265da86b..d78928f9b 100644
--- a/samples/dds-datasets-polygon-colors/index.html
+++ b/samples/dds-datasets-polygon-colors/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/dds-datasets-polygon/index.html b/samples/dds-datasets-polygon/index.html
index df972c7ae..67adb1992 100644
--- a/samples/dds-datasets-polygon/index.html
+++ b/samples/dds-datasets-polygon/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/dds-datasets-polyline/index.html b/samples/dds-datasets-polyline/index.html
index d3c8ec296..645714c6b 100644
--- a/samples/dds-datasets-polyline/index.html
+++ b/samples/dds-datasets-polyline/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/dds-region-viewer/index.html b/samples/dds-region-viewer/index.html
index 36da5a972..7fa46f52f 100644
--- a/samples/dds-region-viewer/index.html
+++ b/samples/dds-region-viewer/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8" 
+                key: "GOOGLE_MAPS_API_KEY" 
             });
         </script>
     </head>
diff --git a/samples/deckgl-arclayer/index.html b/samples/deckgl-arclayer/index.html
index 165e8d4c9..192da8ab9 100644
--- a/samples/deckgl-arclayer/index.html
+++ b/samples/deckgl-arclayer/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/deckgl-heatmap/index.html b/samples/deckgl-heatmap/index.html
index 850bcf101..557b8e750 100644
--- a/samples/deckgl-heatmap/index.html
+++ b/samples/deckgl-heatmap/index.html
@@ -24,7 +24,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/deckgl-kml-updated/index.html b/samples/deckgl-kml-updated/index.html
index 937a70627..7b3838567 100644
--- a/samples/deckgl-kml-updated/index.html
+++ b/samples/deckgl-kml-updated/index.html
@@ -24,7 +24,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/deckgl-kml/index.html b/samples/deckgl-kml/index.html
index ea0654551..895e80c2f 100644
--- a/samples/deckgl-kml/index.html
+++ b/samples/deckgl-kml/index.html
@@ -24,7 +24,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/deckgl-points/index.html b/samples/deckgl-points/index.html
index 16cd3d19e..d80d76fbc 100644
--- a/samples/deckgl-points/index.html
+++ b/samples/deckgl-points/index.html
@@ -13,7 +13,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/deckgl-polygon/index.html b/samples/deckgl-polygon/index.html
index 21f1021e1..50981390f 100644
--- a/samples/deckgl-polygon/index.html
+++ b/samples/deckgl-polygon/index.html
@@ -23,7 +23,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/deckgl-tripslayer/index.html b/samples/deckgl-tripslayer/index.html
index 761af5bb8..701e97f28 100644
--- a/samples/deckgl-tripslayer/index.html
+++ b/samples/deckgl-tripslayer/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/event-arguments/index.html b/samples/event-arguments/index.html
index ce1640f1c..cac8c870d 100644
--- a/samples/event-arguments/index.html
+++ b/samples/event-arguments/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/event-click-latlng/index.html b/samples/event-click-latlng/index.html
index 419d3510a..8dce6f216 100644
--- a/samples/event-click-latlng/index.html
+++ b/samples/event-click-latlng/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/event-closure/index.html b/samples/event-closure/index.html
index 542b62119..6fe9390d2 100644
--- a/samples/event-closure/index.html
+++ b/samples/event-closure/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/event-poi/index.html b/samples/event-poi/index.html
index f2e13944a..dd8c5a9b4 100644
--- a/samples/event-poi/index.html
+++ b/samples/event-poi/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/event-properties/index.html b/samples/event-properties/index.html
index 213df2c1d..71e7b114c 100644
--- a/samples/event-properties/index.html
+++ b/samples/event-properties/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8" 
+                key: "GOOGLE_MAPS_API_KEY" 
             });
         </script>
     </head>
diff --git a/samples/event-simple/index.html b/samples/event-simple/index.html
index 6f8e97cf9..824c4a012 100644
--- a/samples/event-simple/index.html
+++ b/samples/event-simple/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/geocoding-component-restriction/index.html b/samples/geocoding-component-restriction/index.html
index f2bfb4021..d79b86edc 100644
--- a/samples/geocoding-component-restriction/index.html
+++ b/samples/geocoding-component-restriction/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/geocoding-place-id/index.html b/samples/geocoding-place-id/index.html
index 7b66266e7..b93809003 100644
--- a/samples/geocoding-place-id/index.html
+++ b/samples/geocoding-place-id/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8" 
+                key: "GOOGLE_MAPS_API_KEY" 
             });
         </script>
     </head>
diff --git a/samples/geocoding-region-es/index.html b/samples/geocoding-region-es/index.html
index e096473ba..40ad10108 100644
--- a/samples/geocoding-region-es/index.html
+++ b/samples/geocoding-region-es/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8",
+                key: "GOOGLE_MAPS_API_KEY",
                 region: "ES" 
             });
         </script>
diff --git a/samples/geocoding-region-us/index.html b/samples/geocoding-region-us/index.html
index 816bfdd90..f50c2ebd2 100644
--- a/samples/geocoding-region-us/index.html
+++ b/samples/geocoding-region-us/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8",
+                key: "GOOGLE_MAPS_API_KEY",
                 region: "US" 
             });
         </script>
diff --git a/samples/geocoding-reverse/index.html b/samples/geocoding-reverse/index.html
index 043b7afa3..8f9e01002 100644
--- a/samples/geocoding-reverse/index.html
+++ b/samples/geocoding-reverse/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/geocoding-simple/index.html b/samples/geocoding-simple/index.html
index bf88c526a..ff87bf10f 100644
--- a/samples/geocoding-simple/index.html
+++ b/samples/geocoding-simple/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/hiding-features/index.html b/samples/hiding-features/index.html
index 630abb2e3..d0ea753c5 100644
--- a/samples/hiding-features/index.html
+++ b/samples/hiding-features/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/infowindow-simple/index.html b/samples/infowindow-simple/index.html
index 8beaa0766..0765c3961 100644
--- a/samples/infowindow-simple/index.html
+++ b/samples/infowindow-simple/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/js-api-loader-map/index.ts b/samples/js-api-loader-map/index.ts
index 7d303b86a..47319ced0 100644
--- a/samples/js-api-loader-map/index.ts
+++ b/samples/js-api-loader-map/index.ts
@@ -10,7 +10,7 @@
 import { setOptions, importLibrary } from '@googlemaps/js-api-loader';
 // [END maps_js_api_loader_map_load]
 
-const API_KEY = 'AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8';
+const API_KEY = 'GOOGLE_MAPS_API_KEY';
 
 async function init(): Promise<void> {
     // [START maps_js_api_loader_map_options]
diff --git a/samples/layer-data-event/index.html b/samples/layer-data-event/index.html
index 924cdf99c..a3ac17ab4 100644
--- a/samples/layer-data-event/index.html
+++ b/samples/layer-data-event/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/layer-data-quakes-red/index.html b/samples/layer-data-quakes-red/index.html
index 7f2240b5a..05d532fb3 100644
--- a/samples/layer-data-quakes-red/index.html
+++ b/samples/layer-data-quakes-red/index.html
@@ -15,7 +15,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/layer-data-quakes-simple/index.html b/samples/layer-data-quakes-simple/index.html
index 26d01c86f..d5254cae1 100644
--- a/samples/layer-data-quakes-simple/index.html
+++ b/samples/layer-data-quakes-simple/index.html
@@ -15,7 +15,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/layer-data-simple/index.html b/samples/layer-data-simple/index.html
index 943849540..08c4e481f 100644
--- a/samples/layer-data-simple/index.html
+++ b/samples/layer-data-simple/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/layer-data-style/index.html b/samples/layer-data-style/index.html
index 943cf9b70..448e7c74e 100644
--- a/samples/layer-data-style/index.html
+++ b/samples/layer-data-style/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/map-events/index.html b/samples/map-events/index.html
index da8a129bc..290a8f971 100644
--- a/samples/map-events/index.html
+++ b/samples/map-events/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/map-projection-simple/index.html b/samples/map-projection-simple/index.html
index a2cc852c7..1f126dff1 100644
--- a/samples/map-projection-simple/index.html
+++ b/samples/map-projection-simple/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8" 
+                key: "GOOGLE_MAPS_API_KEY" 
             });
         </script>
     </head>
diff --git a/samples/map-simple-js/index.html b/samples/map-simple-js/index.html
index 3206d77a4..d2861ebf2 100644
--- a/samples/map-simple-js/index.html
+++ b/samples/map-simple-js/index.html
@@ -21,7 +21,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8" 
+                key: "GOOGLE_MAPS_API_KEY" 
             });
         </script>
     </head>
diff --git a/samples/map-simple/index.html b/samples/map-simple/index.html
index 171112a1c..b4253b9dc 100644
--- a/samples/map-simple/index.html
+++ b/samples/map-simple/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/place-autocomplete-basic-map/index.html b/samples/place-autocomplete-basic-map/index.html
index 9b022a9c6..8b6fa9b41 100644
--- a/samples/place-autocomplete-basic-map/index.html
+++ b/samples/place-autocomplete-basic-map/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/place-autocomplete-data-session/index.html b/samples/place-autocomplete-data-session/index.html
index 7925d662a..562fb43c8 100644
--- a/samples/place-autocomplete-data-session/index.html
+++ b/samples/place-autocomplete-data-session/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/place-autocomplete-data-simple/index.html b/samples/place-autocomplete-data-simple/index.html
index d0c5db8d4..6c4ca298d 100644
--- a/samples/place-autocomplete-data-simple/index.html
+++ b/samples/place-autocomplete-data-simple/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/place-autocomplete-element/index.html b/samples/place-autocomplete-element/index.html
index 5836b1746..6b4ad6932 100644
--- a/samples/place-autocomplete-element/index.html
+++ b/samples/place-autocomplete-element/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/place-autocomplete-map/index.html b/samples/place-autocomplete-map/index.html
index 714460150..158b56f5a 100644
--- a/samples/place-autocomplete-map/index.html
+++ b/samples/place-autocomplete-map/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/place-class/index.html b/samples/place-class/index.html
index d09423e3c..92fa5a9ab 100644
--- a/samples/place-class/index.html
+++ b/samples/place-class/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/place-nearby-search/index.html b/samples/place-nearby-search/index.html
index 9efe25799..e32659355 100644
--- a/samples/place-nearby-search/index.html
+++ b/samples/place-nearby-search/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8" 
+                key: "GOOGLE_MAPS_API_KEY" 
             });
         </script>
     </head>
diff --git a/samples/place-photos/index.html b/samples/place-photos/index.html
index 2fe6cef42..2861cb7b8 100644
--- a/samples/place-photos/index.html
+++ b/samples/place-photos/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8" 
+                key: "GOOGLE_MAPS_API_KEY" 
             });
         </script>
     </head>
diff --git a/samples/place-reviews/index.html b/samples/place-reviews/index.html
index 775a29f4e..5bedeb537 100644
--- a/samples/place-reviews/index.html
+++ b/samples/place-reviews/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/place-text-search/index.html b/samples/place-text-search/index.html
index 0b2530b4b..f134842e0 100644
--- a/samples/place-text-search/index.html
+++ b/samples/place-text-search/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/places-autocomplete-addressform/index.html b/samples/places-autocomplete-addressform/index.html
index 5f65bdf7d..f25ed746b 100644
--- a/samples/places-autocomplete-addressform/index.html
+++ b/samples/places-autocomplete-addressform/index.html
@@ -18,7 +18,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/places-placeid-finder/index.html b/samples/places-placeid-finder/index.html
index 8cc50f211..4690a6de7 100644
--- a/samples/places-placeid-finder/index.html
+++ b/samples/places-placeid-finder/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/polyline-complex/index.html b/samples/polyline-complex/index.html
index c54fc579d..906272481 100644
--- a/samples/polyline-complex/index.html
+++ b/samples/polyline-complex/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/polyline-remove/index.html b/samples/polyline-remove/index.html
index dace93ece..2f0d2106c 100644
--- a/samples/polyline-remove/index.html
+++ b/samples/polyline-remove/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/polyline-simple/index.html b/samples/polyline-simple/index.html
index c79ed17ab..4674cbb56 100644
--- a/samples/polyline-simple/index.html
+++ b/samples/polyline-simple/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/react-ui-kit-place-details-compact/src/app.tsx b/samples/react-ui-kit-place-details-compact/src/app.tsx
index e9fcc91c1..526918c91 100644
--- a/samples/react-ui-kit-place-details-compact/src/app.tsx
+++ b/samples/react-ui-kit-place-details-compact/src/app.tsx
@@ -12,7 +12,7 @@ import { APIProvider, useMapsLibrary } from '@vis.gl/react-google-maps';
 
 import './styles.css';
 
-const API_KEY = 'AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8';
+const API_KEY = 'GOOGLE_MAPS_API_KEY';
 
 interface PlaceDetailsProps {
     placeId: string;
diff --git a/samples/react-ui-kit-place-details-latlng-compact/src/app.tsx b/samples/react-ui-kit-place-details-latlng-compact/src/app.tsx
index 833aed205..4be2b8c24 100644
--- a/samples/react-ui-kit-place-details-latlng-compact/src/app.tsx
+++ b/samples/react-ui-kit-place-details-latlng-compact/src/app.tsx
@@ -12,7 +12,7 @@ import { APIProvider, useMapsLibrary } from '@vis.gl/react-google-maps';
 
 import './styles.css';
 
-const API_KEY = 'AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8';
+const API_KEY = 'GOOGLE_MAPS_API_KEY';
 
 interface PlaceDetailsProps {
     lat: number;
diff --git a/samples/react-ui-kit-place-details-latlng/src/app.tsx b/samples/react-ui-kit-place-details-latlng/src/app.tsx
index f3e0ae2ed..fc9df0349 100644
--- a/samples/react-ui-kit-place-details-latlng/src/app.tsx
+++ b/samples/react-ui-kit-place-details-latlng/src/app.tsx
@@ -12,7 +12,7 @@ import { APIProvider, useMapsLibrary } from '@vis.gl/react-google-maps';
 
 import './styles.css';
 
-const API_KEY = 'AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8';
+const API_KEY = 'GOOGLE_MAPS_API_KEY';
 
 interface PlaceDetailsProps {
     lat: number;
diff --git a/samples/react-ui-kit-place-details/src/app.tsx b/samples/react-ui-kit-place-details/src/app.tsx
index db19de52c..8213269b4 100644
--- a/samples/react-ui-kit-place-details/src/app.tsx
+++ b/samples/react-ui-kit-place-details/src/app.tsx
@@ -12,7 +12,7 @@ import { APIProvider, useMapsLibrary } from '@vis.gl/react-google-maps';
 
 import './styles.css';
 
-const API_KEY = 'AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8';
+const API_KEY = 'GOOGLE_MAPS_API_KEY';
 
 interface PlaceDetailsProps {
     placeId: string;
diff --git a/samples/react-ui-kit-search-nearby/src/app.tsx b/samples/react-ui-kit-search-nearby/src/app.tsx
index 1fadcbc91..fc5e30762 100644
--- a/samples/react-ui-kit-search-nearby/src/app.tsx
+++ b/samples/react-ui-kit-search-nearby/src/app.tsx
@@ -25,7 +25,7 @@ import {
 
 import './styles.css';
 
-const API_KEY = 'AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8';
+const API_KEY = 'GOOGLE_MAPS_API_KEY';
 
 const App = () => (
     <APIProvider
diff --git a/samples/react-ui-kit-search-text/src/app.tsx b/samples/react-ui-kit-search-text/src/app.tsx
index 1aac09100..509ab0517 100644
--- a/samples/react-ui-kit-search-text/src/app.tsx
+++ b/samples/react-ui-kit-search-text/src/app.tsx
@@ -25,7 +25,7 @@ import {
 
 import './styles.css';
 
-const API_KEY = 'AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8';
+const API_KEY = 'GOOGLE_MAPS_API_KEY';
 
 if (!API_KEY) {
     console.error('Missing Google Maps API key');
diff --git a/samples/rectangle-event/index.html b/samples/rectangle-event/index.html
index 02dff507d..baf375467 100644
--- a/samples/rectangle-event/index.html
+++ b/samples/rectangle-event/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/routes-compute-routes/index.html b/samples/routes-compute-routes/index.html
index 6dbde0680..c9767db00 100644
--- a/samples/routes-compute-routes/index.html
+++ b/samples/routes-compute-routes/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8" 
+                key: "GOOGLE_MAPS_API_KEY" 
             });
         </script>
     </head>
diff --git a/samples/routes-get-alternatives/index.html b/samples/routes-get-alternatives/index.html
index 08b5484f8..c793e598d 100644
--- a/samples/routes-get-alternatives/index.html
+++ b/samples/routes-get-alternatives/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/routes-get-directions-panel/index.html b/samples/routes-get-directions-panel/index.html
index ffe9362d6..e88c2c5b2 100644
--- a/samples/routes-get-directions-panel/index.html
+++ b/samples/routes-get-directions-panel/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8" 
+                key: "GOOGLE_MAPS_API_KEY" 
             });
         </script>
     </head>
diff --git a/samples/routes-get-directions/index.html b/samples/routes-get-directions/index.html
index 249fa1ba9..d6082dfd7 100644
--- a/samples/routes-get-directions/index.html
+++ b/samples/routes-get-directions/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/routes-markers/index.html b/samples/routes-markers/index.html
index 7b2377fb7..05a261d5c 100644
--- a/samples/routes-markers/index.html
+++ b/samples/routes-markers/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/routes-route-matrix/index.html b/samples/routes-route-matrix/index.html
index 5955ddc5a..b371a25b2 100644
--- a/samples/routes-route-matrix/index.html
+++ b/samples/routes-route-matrix/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/streetview-overlays/index.html b/samples/streetview-overlays/index.html
index 7e6d2d520..e3e4f8e47 100644
--- a/samples/streetview-overlays/index.html
+++ b/samples/streetview-overlays/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/test-example/index.html b/samples/test-example/index.html
index 311f85713..ea3b7a8fa 100644
--- a/samples/test-example/index.html
+++ b/samples/test-example/index.html
@@ -16,7 +16,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/ui-kit-place-details-compact/index.html b/samples/ui-kit-place-details-compact/index.html
index e6ddda001..90f4c9b17 100644
--- a/samples/ui-kit-place-details-compact/index.html
+++ b/samples/ui-kit-place-details-compact/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/ui-kit-place-details/index.html b/samples/ui-kit-place-details/index.html
index 983179af2..360497ec8 100644
--- a/samples/ui-kit-place-details/index.html
+++ b/samples/ui-kit-place-details/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/ui-kit-place-search-nearby/index.html b/samples/ui-kit-place-search-nearby/index.html
index 016ebe58a..0bf73e650 100644
--- a/samples/ui-kit-place-search-nearby/index.html
+++ b/samples/ui-kit-place-search-nearby/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/ui-kit-place-search-text/index.html b/samples/ui-kit-place-search-text/index.html
index 605b60f07..6aa715b0e 100644
--- a/samples/ui-kit-place-search-text/index.html
+++ b/samples/ui-kit-place-search-text/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/weather-api-current-compact/index.html b/samples/weather-api-current-compact/index.html
index 9ec60a670..eee640947 100644
--- a/samples/weather-api-current-compact/index.html
+++ b/samples/weather-api-current-compact/index.html
@@ -15,7 +15,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/weather-api-current-compact/index.ts b/samples/weather-api-current-compact/index.ts
index acbe4793f..a2d408c53 100644
--- a/samples/weather-api-current-compact/index.ts
+++ b/samples/weather-api-current-compact/index.ts
@@ -11,7 +11,7 @@ import './simple-weather-widget'; // Import the custom element
 
 const CURRENT_CONDITIONS_API_URL =
     'https://weather.googleapis.com/v1/currentConditions:lookup'; // Current Conditions API endpoint.
-const API_KEY = 'AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8'; // Use the hardcoded API key from index.html
+const API_KEY = 'GOOGLE_MAPS_API_KEY'; // Use the hardcoded API key from index.html
 const LIGHT_MAP_ID = 'c306b3c6dd3ed8d9';
 const DARK_MAP_ID = '6b73a9fe7e831a00';
 
diff --git a/samples/web-components-events/index.html b/samples/web-components-events/index.html
index ed1bbe845..1005cc78b 100644
--- a/samples/web-components-events/index.html
+++ b/samples/web-components-events/index.html
@@ -14,7 +14,7 @@
         <script>
             // prettier-ignore
             (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
-                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
+                key: "GOOGLE_MAPS_API_KEY"
             });
         </script>
     </head>
diff --git a/samples/web-components-map/index.html b/samples/web-components-map/index.html
index 57b013c82..ffce96031 100644
--- a/samples/web-components-map/index.html
+++ b/samples/web-components-map/index.html
@@ -13,7 +13,7 @@
         <script type="module" src="./index.js"></script>
         <script
             async
-            src="https://maps.googleapis.com/maps/api/js?loading=async&key=AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8&libraries=maps,marker"></script>
+            src="https://maps.googleapis.com/maps/api/js?loading=async&key=GOOGLE_MAPS_API_KEY&libraries=maps,marker"></script>
     </head>
     <body>
         <!-- [START maps_web_components_map_gmpmap] -->
diff --git a/samples/web-components-markers/index.html b/samples/web-components-markers/index.html
index addb240fb..d0278ea63 100644
--- a/samples/web-components-markers/index.html
+++ b/samples/web-components-markers/index.html
@@ -22,7 +22,7 @@
         <script type="module" src="./index.js"></script>
         <script
             async
-            src="https://maps.googleapis.com/maps/api/js?loading=async&key=AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8&libraries=maps,marker"></script>
+            src="https://maps.googleapis.com/maps/api/js?loading=async&key=GOOGLE_MAPS_API_KEY&libraries=maps,marker"></script>
     </head>
     <body>
         <!-- [START maps_web_components_markers_div] -->