diff --git a/codex-rs/backend-client/src/client.rs b/codex-rs/backend-client/src/client.rs
index 05deb85a3c..43d6d14643 100644
--- a/codex-rs/backend-client/src/client.rs
+++ b/codex-rs/backend-client/src/client.rs
@@ -419,7 +419,7 @@ impl Client {
     pub fn credential_routes_proxy_url(&self) -> String {
         match self.path_style {
             PathStyle::CodexApi => format!("{}/api/codex/credential_routes/proxy", self.base_url),
-            PathStyle::ChatGptApi => format!("{}/wham/credential_routes/proxy", self.base_url),
+            PathStyle::ChatGptApi => format!("{}/ps/credential_routes/proxy", self.base_url),
         }
     }
 
@@ -557,7 +557,7 @@ impl Client {
     fn credential_routes_url(&self) -> String {
         match self.path_style {
             PathStyle::CodexApi => format!("{}/api/codex/credential_routes", self.base_url),
-            PathStyle::ChatGptApi => format!("{}/wham/credential_routes", self.base_url),
+            PathStyle::ChatGptApi => format!("{}/ps/credential_routes", self.base_url),
         }
     }
 
@@ -916,11 +916,11 @@ mod tests {
         };
         assert_eq!(
             chatgpt_client.credential_routes_url(),
-            "https://chatgpt.com/backend-api/wham/credential_routes"
+            "https://chatgpt.com/backend-api/ps/credential_routes"
         );
         assert_eq!(
             chatgpt_client.credential_routes_proxy_url(),
-            "https://chatgpt.com/backend-api/wham/credential_routes/proxy"
+            "https://chatgpt.com/backend-api/ps/credential_routes/proxy"
         );
     }
 }