Estimate Meta Ad Audience Size
meta_ads_estimate_audience_sizeRead-onlyIdempotent
Estimate audience size for any targeting spec via Meta Ads API, returning reach bounds to optimize ad targeting.
Instructions
Estimate audience size for a targeting spec using Meta's delivery_estimate / reachestimate endpoints.
Args:
act_id (string): Ad account ID prefixed with 'act_'.
targeting (object): Full targeting spec (geo_locations, age_min, age_max, interests, flexible_spec, etc.).
optimization_goal (string, optional): Default 'REACH'. Other common values: LINK_CLICKS, LANDING_PAGE_VIEWS, OFFSITE_CONVERSIONS, IMPRESSIONS.
Returns: Estimated audience size bounds plus the raw API response.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| act_id | Yes | ||
| targeting | Yes | ||
| optimization_goal | No |