Send server-side conversion events to Snapchat via the Conversions API (CAPI)
domain: advertising · 6 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Confirm which Conversions API version the current Snap developer docs point to before integrating, since Snap has iterated versions and older ones have been deprecated
Implement CAPI alongside the existing client-side Snap Pixel (web) or MMP integration (app), not as a standalone replacement for either
POST server-side events with event type, conversion source (web/app/offline), timestamp, and hashed user identifiers (email, phone, device/advertising IDs where applicable)
Reuse a shared deduplication identifier between the Pixel and CAPI calls for the same action so Snap can merge them
Use Snap's Business SDK where available for your language instead of hand-rolling request formatting
Validate events land correctly with Snap's event debugging tools before cutting production traffic over
Known gotchas
Snap has shipped multiple CAPI versions in recent years, and sample code found online may target one that's already deprecated — check the live docs for the current supported version
Mismatched dedup identifiers between Pixel and CAPI cause the same double-counting problem seen on other ad platforms
App events generally still require an MMP integration alongside CAPI — CAPI alone is not a full substitute for in-app SDK/MMP tracking
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