Check your Supabase connection
This page checks whether Supabase accepts your public website key. It does not require your password and cannot change your database.
Use onlysb_publishable_.... Never paste a secret key or service-role key.
Press “Test connection” first.
If Supabase rejects the key, open Project Settings → API Keys and create or copy an active Publishable key from this same project, then test it here. Changes are only saved to this browser after a successful test.