Reply To: Accessing Audience Data and User IDs in Google Analytics 4: Is There an API Available?

[Gurdeep]

Regrettably, audience data including user_id or user_pseudo_id is not directly available in GA4 reports or via API at this time. GA4 doesn’t have the capability to export audience memberships by user_pseudo_id to BigQuery. This differs from Universal Analytics, where you could send custom dimensions to capture audience data. However, you may be able to approximate it by setting up custom events or user properties that align with the way your audiences are defined. Ensure to keep your site’s privacy policy and data compliance in mind when doing this. Google occasionally updates and adds to their features, so it may be possible to get this information in the future.