diff --git a/packages/spec-parser/src/constants.ts b/packages/spec-parser/src/constants.ts
index 41aab1f939..9a5dd5d776 100644
--- a/packages/spec-parser/src/constants.ts
+++ b/packages/spec-parser/src/constants.ts
@@ -52,7 +52,12 @@ export class ConstantString {
   static readonly TextBlockType = "TextBlock";
   static readonly ImageType = "Image";
   static readonly ContainerType = "Container";
-  static readonly RegistrationIdPostfix = "REGISTRATION_ID";
+  static readonly RegistrationIdPostfix: { [key: string]: string } = {
+    apiKey: "REGISTRATION_ID",
+    oauth2: "CONFIGURATION_ID",
+    http: "REGISTRATION_ID",
+    openIdConnect: "REGISTRATION_ID",
+  };
   static readonly ResponseCodeFor20X = [
     "200",
     "201",
diff --git a/packages/spec-parser/src/manifestUpdater.ts b/packages/spec-parser/src/manifestUpdater.ts
index a8ef472458..827377b7c5 100644
--- a/packages/spec-parser/src/manifestUpdater.ts
+++ b/packages/spec-parser/src/manifestUpdater.ts
@@ -147,7 +147,7 @@ export class ManifestUpdater {
 
       if (pluginAuthObj.type !== "None") {
         const safeRegistrationIdName = Utils.getSafeRegistrationIdEnvName(
-          `${authInfo.name}_${ConstantString.RegistrationIdPostfix}`
+          `${authInfo.name}_${ConstantString.RegistrationIdPostfix[authInfo.authScheme.type]}`
         );
 
         pluginAuthObj.reference_id = `\${{${safeRegistrationIdName}}}`;
@@ -384,11 +384,11 @@ export class ManifestUpdater {
         if (authInfo) {
           const auth = authInfo.authScheme;
           const safeRegistrationIdName = Utils.getSafeRegistrationIdEnvName(
-            `${authInfo.name}_${ConstantString.RegistrationIdPostfix}`
+            `${authInfo.name}_${ConstantString.RegistrationIdPostfix[authInfo.authScheme.type]}`
           );
           if (Utils.isAPIKeyAuth(auth) || Utils.isBearerTokenAuth(auth)) {
             const safeApiSecretRegistrationId = Utils.getSafeRegistrationIdEnvName(
-              `${authInfo.name}_${ConstantString.RegistrationIdPostfix}`
+              `${authInfo.name}_${ConstantString.RegistrationIdPostfix[authInfo.authScheme.type]}`
             );
             (composeExtension as any).authorization = {
               authType: "apiSecretServiceAuth",
diff --git a/packages/spec-parser/test/manifestUpdater.test.ts b/packages/spec-parser/test/manifestUpdater.test.ts
index 96e3c6d727..4a7dbd0433 100644
--- a/packages/spec-parser/test/manifestUpdater.test.ts
+++ b/packages/spec-parser/test/manifestUpdater.test.ts
@@ -413,7 +413,7 @@ describe("updateManifestWithAiPlugin", () => {
             type: "OpenApi",
             auth: {
               type: "OAuthPluginVault",
-              reference_id: "${{OAUTH_REGISTRATION_ID}}",
+              reference_id: "${{OAUTH_CONFIGURATION_ID}}",
             },
             spec: {
               url: "spec/outputSpec.yaml",
@@ -3685,7 +3685,7 @@ describe("manifestUpdater", () => {
           authorization: {
             authType: "oAuth2.0",
             oAuthConfiguration: {
-              oauthConfigurationId: "${{OAUTH_AUTH_REGISTRATION_ID}}",
+              oauthConfigurationId: "${{OAUTH_AUTH_CONFIGURATION_ID}}",
             },
           },
           commands: [