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Error 400: redirect_uri_mismatch

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Developer
16 Dec, 2025, 12:32

Hi team,

Google OAuth was working fine with our Appwrite Cloud setup until yesterday. We did not change any configuration in Appwrite, Google Cloud, or our code.

Starting this morning, Google login began failing with a redirect_uri_mismatch error.

Observations:

A custom domain is configured.

The callback URL includes a dynamic flow ID.

This exact setup was working until yesterday.

TL;DR
Error 400: redirect_uri_mismatch; register your App's domain by creating Google OAuth client on Google Cloud Console. Just one post needed.
16 Dec, 2025, 13:43

I think it is asking you to separtely register your App's domain by creating your own Google OAuth client on Google Cloud Console

16 Dec, 2025, 13:44

And <@1026418036195991633> please don't create multiple posts. One post is enough.

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