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Supabase•7mo ago•
5 replies
Ubergemut

Google OAuth always returns 500 error on /auth/v1/callback after login

Hi all,
I am trying to set up Google OAuth with Supabase Auth for my Expo React Native app (using @supabase/supabase-js@2.52.0). After logging in with Google, I always get a 500 error on the /auth/v1/callback endpoint. This happens both in my app and when I test directly via the authorize URL.

What I’ve tried:
* Created a Google Cloud OAuth 2.0 client (type: Web application)
* Set the authorized redirect URI in Google Cloud to: https://cqhfwtkdmbjmaeeznovd.supabase.co/auth/v1/callback
* Added my Supabase project domain (cqhfwtkdmbjmaeeznovd.supabase.co) to the Authorized Domains in the Google Cloud OAuth consent screen
* Set the client ID and client secret from Google Cloud in the Supabase dashboard (Auth > Providers > Google), double-checked for typos and extra spaces
* Regenerated the client secret and tried creating a new OAuth client
* Confirmed my Google OAuth consent screen is in Testing mode and my user is listed as a test user
* Waited for changes to propagate
* Checked Supabase Auth logs, but did not see a clear error message
* Tried the flow both from my app and by visiting https://cqhfwtkdmbjmaeeznovd.supabase.co/auth/v1/authorize?provider=google directly in the browser

Environment:
* OS: Windows 10
* Framework: Expo React Native
* Supabase JS: @supabase/supabase-js@2.52.0
* Platform: Web and Android

What’s going wrong:
After authenticating with Google, I am redirected to the callback URL and receive a 500 error from Supabase. I have rebuilt credentials and double-checked all settings multiple times.
Is there anything else I should check, or is this a known issue? Any help would be appreciated.

Thank you!
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