diff --git a/WordPress/src/main/java/org/wordpress/android/networking/restapi/AppWpComLanguageProvider.kt b/WordPress/src/main/java/org/wordpress/android/networking/restapi/AppWpComLanguageProvider.kt
new file mode 100644
index 000000000000..e66d0a12c931
--- /dev/null
+++ b/WordPress/src/main/java/org/wordpress/android/networking/restapi/AppWpComLanguageProvider.kt
@@ -0,0 +1,23 @@
+package org.wordpress.android.networking.restapi
+
+import org.wordpress.android.util.PerAppLocaleManager
+import rs.wordpress.api.kotlin.fromLocale
+import uniffi.wp_api.WpComLanguage
+import uniffi.wp_api.WpComLanguageProvider
+import javax.inject.Inject
+
+/**
+ * Reports the language that WordPress.com should localize its responses to.
+ *
+ * Reads the app's own language preference, falling back to the device language when
+ * the user hasn't chosen one. The locale is read on every request, so a language
+ * change part-way through a session takes effect without rebuilding the client.
+ * Returns `null` when the language has no WordPress.com equivalent, which sends no
+ * locale and leaves the choice to the server.
+ */
+class AppWpComLanguageProvider @Inject constructor(
+    private val perAppLocaleManager: PerAppLocaleManager
+) : WpComLanguageProvider {
+    override fun currentLanguage(): WpComLanguage? =
+        WpComLanguage.fromLocale(perAppLocaleManager.getCurrentLocale())
+}
diff --git a/WordPress/src/main/java/org/wordpress/android/networking/restapi/WpComApiClientProvider.kt b/WordPress/src/main/java/org/wordpress/android/networking/restapi/WpComApiClientProvider.kt
index 39d2c70b2921..9b60b07b7657 100644
--- a/WordPress/src/main/java/org/wordpress/android/networking/restapi/WpComApiClientProvider.kt
+++ b/WordPress/src/main/java/org/wordpress/android/networking/restapi/WpComApiClientProvider.kt
@@ -1,6 +1,7 @@
 package org.wordpress.android.networking.restapi
 
 import okhttp3.OkHttpClient
+import org.wordpress.android.fluxc.network.TrackNetworkRequestsInterceptor
 import org.wordpress.android.fluxc.network.rest.wpapi.rs.WpNetworkAvailabilityProvider
 import org.wordpress.android.fluxc.network.rest.wpapi.rs.applyWpRsTimeouts
 import rs.wordpress.api.kotlin.WpComApiClient
@@ -12,10 +13,13 @@ import javax.inject.Inject
 
 class WpComApiClientProvider @Inject constructor(
     private val networkAvailabilityProvider: WpNetworkAvailabilityProvider,
+    private val languageProvider: AppWpComLanguageProvider,
+    private val trackNetworkRequestsInterceptor: TrackNetworkRequestsInterceptor,
 ) {
     fun getWpComApiClient(accessToken: String): WpComApiClient {
         val okHttpClient = OkHttpClient.Builder()
             .applyWpRsTimeouts()
+            .addInterceptor(trackNetworkRequestsInterceptor)
             .build()
 
         return WpComApiClient(
@@ -24,7 +28,8 @@ class WpComApiClientProvider @Inject constructor(
                 networkAvailabilityProvider = networkAvailabilityProvider
             ),
             authProvider = WpAuthenticationProvider.staticWithAuth(WpAuthentication.Bearer(token = accessToken)
-            )
+            ),
+            languageProvider = languageProvider
         )
     }
 }
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 0f8f2054e36e..ac9cd0220fe7 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -101,7 +101,7 @@ wellsql = '2.0.0'
 wordpress-aztec = 'v2.1.4'
 wordpress-lint = '2.2.0'
 wordpress-persistent-edittext = '1.0.2'
-wordpress-rs = '0.7.0'
+wordpress-rs = '1590-af9a28ec86d13203855db032d85e608b00b645c0'
 wordpress-utils = '3.14.0'
 automattic-ucrop = '2.2.11'
 zendesk = '5.5.3'