# Limitations and notes for Instagram Ads connector
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The following are limitations or notes for the Instagram Ads connector:
+ An app's call count is the number of calls a user can make during a rolling one-hour window 200 multiplied by the number of users. For rate limit details, see [Rate Limits](https://developers.facebook.com/docs/graph-api/overview/rate-limiting/), and [Business Use Case Rate Limits](https://developers.facebook.com/docs/graph-api/overview/rate-limiting/#buc-rate-limits).