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Accessing Audience Data and User IDs in Google Analytics 4: Is There an API Available?
My current aim is to sort out confusion with this audience data I have in GA4.
I’ve run into a bit of a snag. I linked my GA4 with BigQuery, but it seems like the audience data isn’t automatically getting transferred. I’ve already talked a bit about this issue over here: how to access audience data from Google Analytics 4 in BigQuery?
What I’m thinking now is maybe I can create a separate table in my BigQuery filled with the audience data and its corresponding user_pseudo_id. The plan is to transfer the data over from GA4 server to my BigQuery manually. Once that’s done, I might use a full outer join on my BigQuery, allowing me to link the GA4 event to the audience data.
So the big question is: is there some way to get audience data with its
user_idoruser_pseudo_id? If there’s a way to do this with an API, that would be cool. -
2 Replies
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Regrettably, audience data including
user_idoruser_pseudo_idis not directly available in GA4 reports or via API at this time. GA4 doesn’t have the capability to export audience memberships byuser_pseudo_idto 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. -
Unfortunately, there is currently no method available to directly extract Audience data mapping it with ‘user_id’ or ‘user_pseudo_id’ from Google Analytics 4 via API or any standard Google tool. As of now, Google Analytics 4 does not export audience membership data into BigQuery and there isn’t a restful API available to fetch raw audience data from GA4. This is a limitation many users have been facing and it has been a subject of feedback to Google. It’s highly recommended to keep up to date with Google’s own updates and announcements if such a feature becomes available. Evidently, your plan of creating a separate table in BigQuery for this data and manually linking it to your GA4 data seems a good workaround for the time being.
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