Update routes/sendnotifications.py

routes/sendnotifications.py

@@ -16,9 +16,11 @@ def get_access_token():
     credentials = service_account.Credentials.from_service_account_file(
         SERVICE_ACCOUNT_FILE
     )
-    scoped_credentials = credentials.with_scopes(['https://www.googleapis.com/auth/cloud-platform'])
+    scoped_credentials = credentials.with_scopes(
+        ['https://www.googleapis.com/auth/firebase.messaging']
+    )
     scoped_credentials.refresh(Request())
-    return credentials.token
+    return scoped_credentials.token  # CORRETO: use as credenciais com escopo!
 
 @router.get("/send-test-notification")
 async def send_test_notification():