From 6a2926fe707ac4f5ef031bf6c70a2886a99292f8 Mon Sep 17 00:00:00 2001
From: Patrick Kowalski <patrick.kowalski@consensys.net>
Date: Thu, 23 Apr 2026 15:08:52 -0500
Subject: [PATCH 1/3] feat: add dev support for ramps

---
 packages/ramps-controller/src/RampsService.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/ramps-controller/src/RampsService.ts b/packages/ramps-controller/src/RampsService.ts
index f7ef0ffee71..c06f198825e 100644
--- a/packages/ramps-controller/src/RampsService.ts
+++ b/packages/ramps-controller/src/RampsService.ts
@@ -726,8 +726,9 @@ function getBaseUrl(
     case RampsEnvironment.Production:
       return `https://on-ramp${cache}.api.cx.metamask.io`;
     case RampsEnvironment.Staging:
-    case RampsEnvironment.Development:
       return `https://on-ramp${cache}.uat-api.cx.metamask.io`;
+    case RampsEnvironment.Development:
+      return `https://on-ramp.dev-api.cx.metamask.io`;
     case RampsEnvironment.Local:
       return 'http://localhost:3000';
     default:

From b9e7d98a611e63f161dc49f6adf9987eee6010cb Mon Sep 17 00:00:00 2001
From: Patrick Kowalski <patrick.kowalski@consensys.net>
Date: Fri, 24 Apr 2026 07:44:15 -0500
Subject: [PATCH 2/3] feat: temp make stage dev

---
 packages/ramps-controller/src/RampsService.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/ramps-controller/src/RampsService.ts b/packages/ramps-controller/src/RampsService.ts
index c06f198825e..2cf221b06ff 100644
--- a/packages/ramps-controller/src/RampsService.ts
+++ b/packages/ramps-controller/src/RampsService.ts
@@ -726,7 +726,7 @@ function getBaseUrl(
     case RampsEnvironment.Production:
       return `https://on-ramp${cache}.api.cx.metamask.io`;
     case RampsEnvironment.Staging:
-      return `https://on-ramp${cache}.uat-api.cx.metamask.io`;
+      return `https://on-ramp.dev-api.cx.metamask.io`;
     case RampsEnvironment.Development:
       return `https://on-ramp.dev-api.cx.metamask.io`;
     case RampsEnvironment.Local:

From ccd649720adc1213e827876bd3135a53fa566182 Mon Sep 17 00:00:00 2001
From: Amitabh Aggarwal <aggarwal.amitabh@gmail.com>
Date: Fri, 24 Apr 2026 10:48:33 -0500
Subject: [PATCH 3/3] feat(ramps-controller): route Development to dev-api and
 update changelog

Restore staging UAT URLs with regions cache suffix; add Unreleased changelog
entry; align Development nocks with dev-api hosts (#8574).

Made-with: Cursor
---
 packages/ramps-controller/CHANGELOG.md             | 4 ++++
 packages/ramps-controller/src/RampsService.test.ts | 8 ++++----
 packages/ramps-controller/src/RampsService.ts      | 4 ++--
 3 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/packages/ramps-controller/CHANGELOG.md b/packages/ramps-controller/CHANGELOG.md
index c11179a8c36..b7ba1ae1f3e 100644
--- a/packages/ramps-controller/CHANGELOG.md
+++ b/packages/ramps-controller/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- `RampsService` routes `RampsEnvironment.Development` to the dev-api hosts (`https://on-ramp.dev-api.cx.metamask.io` and `https://on-ramp-cache.dev-api.cx.metamask.io` for regions cache) instead of UAT; staging and production URLs are unchanged ([#8574](https://github.com/MetaMask/core/pull/8574))
+
 ## [13.2.0]
 
 ### Changed
diff --git a/packages/ramps-controller/src/RampsService.test.ts b/packages/ramps-controller/src/RampsService.test.ts
index 4f0fb4e78e3..75b41f04b5e 100644
--- a/packages/ramps-controller/src/RampsService.test.ts
+++ b/packages/ramps-controller/src/RampsService.test.ts
@@ -67,8 +67,8 @@ describe('RampsService', () => {
       expect(geolocationResponse).toBe('us-tx');
     });
 
-    it('uses staging URL when environment is Development', async () => {
-      nock('https://on-ramp.uat-api.cx.metamask.io')
+    it('uses development URL when environment is Development', async () => {
+      nock('https://on-ramp.dev-api.cx.metamask.io')
         .get('/geolocation')
         .query({
           sdk: '2.1.6',
@@ -423,8 +423,8 @@ describe('RampsService', () => {
       `);
     });
 
-    it('uses staging cache URL when environment is Development', async () => {
-      nock('https://on-ramp-cache.uat-api.cx.metamask.io')
+    it('uses development cache URL when environment is Development', async () => {
+      nock('https://on-ramp-cache.dev-api.cx.metamask.io')
         .get('/v2/regions/countries')
         .query({
           sdk: '2.1.6',
diff --git a/packages/ramps-controller/src/RampsService.ts b/packages/ramps-controller/src/RampsService.ts
index 2cf221b06ff..d4612e75c88 100644
--- a/packages/ramps-controller/src/RampsService.ts
+++ b/packages/ramps-controller/src/RampsService.ts
@@ -726,9 +726,9 @@ function getBaseUrl(
     case RampsEnvironment.Production:
       return `https://on-ramp${cache}.api.cx.metamask.io`;
     case RampsEnvironment.Staging:
-      return `https://on-ramp.dev-api.cx.metamask.io`;
+      return `https://on-ramp${cache}.uat-api.cx.metamask.io`;
     case RampsEnvironment.Development:
-      return `https://on-ramp.dev-api.cx.metamask.io`;
+      return `https://on-ramp${cache}.dev-api.cx.metamask.io`;
     case RampsEnvironment.Local:
       return 'http://localhost:3000';
     default: