Meta Conversions API: How It Fits With the Pixel
Meta's Conversions API provides a server-side path for sending supported events to Meta. It is commonly used alongside the Pixel rather than as a simple one-for-one replacement.
Browser and server events can overlap
When the same conversion is sent from both sources, deduplication helps prevent double counting.
Identifiers matter
Event IDs and supported customer-information parameters can influence matching and deduplication quality.
CAPI is not independent attribution
The events still feed Meta's advertising measurement environment. An external tracking platform may produce a different cross-channel view.
Test event parity
Compare event names, values, currencies, timestamps, and deduplication across browser and server implementations.