Need help enabling correct redirect URI for Gmail OAuth on custom subdomain

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Hi n8n team and community :wave:

I’m using the hosted n8n cloud version with a custom subdomain:
:link: https://sai1998.app.n8n.cloud

I’m trying to connect my Gmail account using the Google OAuth2 API credential, but I’m stuck because the system only allows this default redirect URI:
:x: https://oauth.n8n.cloud/oauth2/callback

However, since I’m using a custom subdomain, I believe the correct one should be:
:white_check_mark: n8n - OAuth Callback

I’ve already configured this in Google Cloud Console, but n8n won’t let me use it or edit the default.

Could someone from the team please help me:

  • Enable this custom redirect URI for Gmail OAuth2 to work?
  • Or suggest a workaround for hosted users with custom subdomains?

Thank you in advance :pray:
Excited to build Gmail automation flows for my project!

— Sai Kishore Chalumuri

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Hosting Your Own n8n Server
If you want full control with a custom subdomain, running n8n on your own server (for example, a Google Cloud VM or another VPS) is more flexible.

This way, you can configure the OAuth callback URL as you wish and have complete control over it.

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I thought normally on n8n cloud you just login, they setup in google console already? Maybe there another option on auth which has this?

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