supabase auth

2 articles · newest first

Hand-drawn editorial illustration of a key that almost fits a lock on a dark background, in violet, lavender and coral

"Error 400: redirect_uri_mismatch" after adding Google login? The two lists to fix

You added Sign in with Google and Google blocked the very first click. The error is a safety check, not a bug. Where the address has to match, why it must match exactly, and the fix for Supabase, localhost and preview links.

Aliteq Team · Oct 16 · 12 min

Build

Google login sends your live app back to localhost? The Supabase setting that fixes it

Your app is deployed, Google sign-in works, and then the browser lands on localhost:3000 and shows nothing. Supabase did that on purpose. Why it happens, the one setting to change, and the short list that keeps www, previews and your laptop working.

Aliteq Team · Oct 9 · 9 min