What is the ‘GA4 Data API’ (previously Reporting API) and what are its key limitations?

Google Analytics GA4 Hard

Google Analytics GA4 — Hard

What is the ‘GA4 Data API’ (previously Reporting API) and what are its key limitations?

Key points

  • The GA4 Data API provides programmatic access to report data
  • Limitations include potential data sampling for large date ranges
  • Quota limits per property exist, with thresholding similar to the UI
  • Not all dimensions/metrics are combinable

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