diff --git a/packages/backend/src/apps/5g-api/auth/index.ts b/packages/backend/src/apps/5g-api/auth/index.ts
index c2ed0f47..2303768f 100644
--- a/packages/backend/src/apps/5g-api/auth/index.ts
+++ b/packages/backend/src/apps/5g-api/auth/index.ts
@@ -1,5 +1,5 @@
 import verifyCredentials from './verify-credentials';
-// import isStillVerified from './is-still-verified';
+import isStillVerified from './is-still-verified';
 // import refreshToken from './refresh-token';
 
 export default {
diff --git a/packages/backend/src/apps/5g-api/auth/is-still-verified.ts b/packages/backend/src/apps/5g-api/auth/is-still-verified.ts
new file mode 100644
index 00000000..b447bb4f
--- /dev/null
+++ b/packages/backend/src/apps/5g-api/auth/is-still-verified.ts
@@ -0,0 +1,8 @@
+import { IGlobalVariable } from '@automatisch/types';
+
+const isStillVerified = async ($: IGlobalVariable) => {
+  // const user = await getCurrentUser($);
+  return true;
+};
+
+export default isStillVerified;
diff --git a/packages/backend/src/apps/5g-api/common/add-auth-header.ts b/packages/backend/src/apps/5g-api/common/add-auth-header.ts
new file mode 100644
index 00000000..675302aa
--- /dev/null
+++ b/packages/backend/src/apps/5g-api/common/add-auth-header.ts
@@ -0,0 +1,13 @@
+import { TBeforeRequest } from '@automatisch/types';
+
+const addAuthHeader: TBeforeRequest = ($, requestConfig) => {
+  const { accessToken } = $.auth.data;
+
+  if (accessToken) {
+    requestConfig.headers.Authorization = `Bearer ${accessToken}`;
+  }
+
+  return requestConfig;
+};
+
+export default addAuthHeader;
diff --git a/packages/backend/src/apps/5g-api/index.ts b/packages/backend/src/apps/5g-api/index.ts
index a33e9bc7..c0d105c7 100644
--- a/packages/backend/src/apps/5g-api/index.ts
+++ b/packages/backend/src/apps/5g-api/index.ts
@@ -1,5 +1,5 @@
 import defineApp from '../../helpers/define-app';
-// import addAuthHeader from './common/add-auth-header';
+import addAuthHeader from './common/add-auth-header';
 import auth from './auth';
 import actions from './actions';
 
@@ -12,7 +12,7 @@ export default defineApp({
   baseUrl: 'https://developer.telekom.de',
   apiBaseUrl: 'https://api.developer.telekom.de',
   primaryColor: 'e20074',
-  // beforeRequest: [addAuthHeader],
+  beforeRequest: [addAuthHeader],
   auth,
   actions,
 });