Conversions API (Meta CAPI)

Menlo Park, California, United States · Founded 2020

10001+ employees · META

Sourced & current · updated Sep 28, 2026

Meta’s server-side interface for sending conversion events from advertisers to Meta for measurement and optimization.

Where they sit

The dominant server-side conversion API for advertisers running campaigns on Facebook and Instagram, with no direct equivalent competitor within the Meta ecosystem

Ownership

Parent: Meta Platforms