Hi team, I’m using n8n Cloud on a Free Trial. Google OAuth fails when creating Google Sheets credentials with: Error 400: redirect_uri_mismatch redirect_uri: https://prathamchavhan.app.n8n.cloud/rest/oauth2-credential/callback I am NOT using a custom Google OAuth client. I also tried creating…

See here @Yash_Chavhan [image] Error 400: redirect_uri_mismatch - Setting up Gmail credentials Questions Hi @Leam_Hamilton The “Error 400: redirect_uri_mismatch” during Gmail OAuth setup in n8n is almost always due to Google not recognizing the redirect URI u…

Hey there, I hope this can help you. Apparently there was an issue with n8n (several people having the same problem). n8n released version 2.1.4 to resolve this. Go to your n8n Cloud dashboard (Admin Panel) and check if an update is available. Upgrading to 2.1.4 or later should immediately fix the r…

@Yash_Chavhan a follow up [image] N8n Cloud Google Drive OAuth2 failing: redirect_uri_mismatch (Gmail + Workspace) Questions I can confirm it. I was seeing the issue with 2.1.2. It works now after upgrading to 2.1.4. It’s “admin panel” → “dashboard” → “ge…

Google OAuth redirect_uri_mismatch on n8n Cloud (Free Trial)

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zenithflare December 26, 2025, 12:26pm 5

@Yash_Chavhan a follow up

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Google OAuth redirect_uri_mismatch on n8n Cloud (Free Trial)

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