Events are delivered but the destination reports 0 conversions or a low match rate

Events delivered but Meta or TikTok reports zero conversions? Event mapping is likely misconfigured. Verify Upstack events map to the right destination events and required parameters are present.

Likely cause: Event mapping is misconfigured — the events Upstack sends don’t match the conversion events the destination expects, or required parameters are missing.

Fix:

1. Go to Destinations → click the destination → Event Mapping tab.
2. Verify that Upstack events are mapped to the correct destination events. For example:
   • Purchase → Meta’s Purchase (not AddToCart)
   • AddToCart → TikTok’s AddToCart (case-sensitive)
   • PageView → GA4’s page_view
3. Check that required parameters are mapped — most Conversion APIs require event_time, event_source_url, and at least one identity field (email or phone).
4. For Meta CAPI: open Meta Events Manager → Test Events tab and compare the parameters Upstack sends against what Meta expects.
5. Save any mapping changes and monitor the event log for the next 15 minutes.

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