On n8n Cloud, if I connect Google Sheets and Google Calendar with the built-in “Sign in with Google” using a regular @gmail.com account, does the connection stay valid or do I have to re-authenticate every 7 days?
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The 7-day expiry comes from Google’s OAuth consent screen still being in “Testing” publishing status: refresh tokens issued to testing apps expire after 7 days. To stop re-authenticating, publish your OAuth consent screen to “In production” in Google Cloud Console (APIs & Services > OAuth consent screen > Publish App). Note that verification is only required for sensitive scopes; for basic Sheets/Calendar scopes publishing usually just works. If you are on n8n Cloud and used the built-in “Sign in with Google” (n8n’s own OAuth client), you cannot change its publishing status yourself - in that case the connection is managed by n8n and the 7-day re-auth is expected; to get a long-lived connection you would need to create your own Google OAuth client in your own Google Cloud project and use the Google OAuth2 credential with your own Client ID/Secret.