GA4 - Google Analytics 4 Data API

Query GA4 properties for analytics data: page views, sessions, users, traffic sources, conversions, and more.

Setup (one-time)

1. Enable Google Analytics Data API: https://console.cloud.google.com/apis/library/analyticsdata.googleapis.com
2. Create OAuth credentials or use existing Google Cloud project
3. Set environment variables:
   • GA4_PROPERTY_ID - Your GA4 property ID (numeric, e.g., "123456789")
   • GOOGLE_CLIENT_ID - OAuth client ID
   • GOOGLE_CLIENT_SECRET - OAuth client secret
   • GOOGLE_REFRESH_TOKEN - OAuth refresh token (from initial auth flow)

Common Queries