Not a valid origin for the client from Google API Oauth

Question

I\'m receiving this error from Google API Oauth:

idpiframe_initialization_failed\", details: \"Not a valid origin for the client: http://127.0.0.…itel

Answer 1

I had a very similar issue to yours. I tried to add multiple whitelisted ports from localhost and nothing was working. Ended up deleting the credentials and setting them up again. Must have been a bug on googles end for my setup.