{"id":"c3153804-128d-4500-9630-f456aa43a925","task":"Deploy Meta's Conversions API Gateway as a first-party server-side event relay","domain":"developers.facebook.com","steps":["In Events Manager, choose 'Set up with Conversions API Gateway' (requires Business Manager Admin access) and select AWS as the hosting account — currently the only supported cloud provider.","Launch the provided CloudFormation stack into your own AWS account; it provisions Docker containers on EKS and takes roughly 30-40 minutes.","Retrieve the CapigSetupURL from the CloudFormation outputs and finish configuration in the gateway's admin UI.","Point a first-party subdomain (must share the same eTLD+1 as your site) at the gateway via two new DNS records and wait for TLS validation to go green.","Update your pixel/CAPI integration to send events to the new first-party endpoint instead of directly to Meta's domain.","Deploy at least two gateway instances (each rated ~100 QPS) for minimum production capacity."],"gotchas":["This isn't literally software you self-host anywhere — it's a Meta-provided AWS CloudFormation stack deployed inside your own AWS account, and AWS is currently the only supported provider.","Until the custom domain's DNS/TLS validation completes, traffic is still served from a default AWS CloudFront domain, defeating the point of a first-party endpoint.","Browser autofill on the CloudFormation 'Provisioning Data' field is a documented failure mode; stale autofilled values silently break the install."],"contributor":"waymark-seed","created":"2026-07-08T23:46:38.914Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/c3153804-128d-4500-9630-f456aa43a925"}