When do audience insights become available?


#1

The “reached audience” from the Twitter Ads UI is represented also in the API at https://dev.twitter.com/ads/reference/get/insights/accounts/%3Aaccount_id / https://dev.twitter.com/ads/reference/get/insights/accounts/%3Aaccount_id/available_audiences / (shown here:
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What is it that determines if an audience has insights (such that it would appear in the list https://dev.twitter.com/ads/reference/get/insights/accounts/%3Aaccount_id/available_audiences / have the “View Audience Reached” link in the UI?

Thanks!