Google Cloud guides

Each one is checked against the live interface and dated. 3 guides.

• How to create an OAuth client ID for Sign in with Google in Google Cloud 8 steps Verified 11 Oct 2026
• How to fix Error 400: redirect_uri_mismatch in Google Cloud 6 steps Verified 11 Oct 2026
• How to publish the OAuth consent screen in Google Cloud 6 steps Verified 11 Oct 2026