One canonical question per page, answered from server-side conversion engineering work - not a forum thread. Every fix closes with runtime verification: what to open in the platform's own diagnostics, what a pass looks like, and what a still-broken result looks like.
Eight of the recurring problems teams hit implementing Meta Conversions API and first-party tag proxying - deduplication, attribution, exact field formatting, and the Pixel-versus-CAPI question underneath most of them.
If your symptom is not one of these eight, tell us the platform and what you are seeing in its own diagnostics tool, and we will tell you whether it is a known pattern or something specific to your stack.
The four-discipline framework - install, consent-gate, dedupe, verify - applied to every platform.
Read →The outbound half of the same pipe, used for targeting instead of measurement.
Read →gtm.webclat.com - the event-capture layer most CAPI implementations here extend.
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