Learn how to connect n8n to your Google account using OAuth2 and set up access to key services (Sheets, Gmail, Drive, Calendar, BigQuery, YouTube) for future automation workflows.
A secure way to allow apps like n8n to access your Google data.
Instead of entering your password, you allow access via “scopes”.
Create new project
Go to API & Services → OAuth Consent Screen
Set up External
Add Test Users
Enable APIs:
Google Sheets API
Gmail API
Google Drive API
Calendar API
BigQuery API
YouTube Data API v3
Go to Credentials → Set OAuth Screen → Create Credentials → OAuth Client ID
Application type: Web application
Add redirect URI from n8n (e.g., http://localhost:5678/rest/oauth2-credential/callback)
Copy Client ID and Client Secret
Got to Audience and add your email as User
Got to Data Access and Add Scopes
https://www.googleapis.com/auth/spreadsheets
https://mail.google.com/
https://www.googleapis.com/auth/drive
https://www.googleapis.com/auth/calendar
https://www.googleapis.com/auth/bigquery
https://www.googleapis.com/auth/youtube
In n8n, go to Credentials → Google
Choose OAuth2 API
Paste Client ID and Secret
Click “Connect” and log in to your Google Account
