WooCommerce to Facebook Conversion API (FB CAPI) Go to UTM > WooCommerce Postback and select Facebook Ads You don't need any other change here... Click Facebook CAPI menu in UTM and enter Facebook pixel id and access token How to generate Access Token: Go to your pixel, click Settings, scroll down to the Conversion API and click Generate Access Token. Once you set it up everything, keep monitoring your events and watch your event match increases to high 8-9s.