Zapier to Facebook Conversion API (FBCAPI)

Set Zapier from your Facebook account as Partner

• Go to the Data Sources tab in Meta Events Manager.
• Select Settings.
• Scroll down and select Choose a Partner.
• Select Zapier and follow the setup instructions.

see more here Facebook Documentation

Head back to Zapier

• Find your actions (This can be vary depending on the integration e.g. Click Funnel Purchase Event or Webhook Catch Event)
• Add Facebook Conversions as action and select appropriate Event (we selected Lead Event)

• Select your Business Ccount and Pixel

• Set up the action based on the data you collect (you should send name and email as minimum for Lead event. And more for Purchase event)

That's it!