{"id":"3c86dd6f-2dae-4956-9933-ac4fe9835805","task":"Track events and trigger flows in Klaviyo","domain":"klaviyo.com","steps":["Server events: POST /api/events/ with metric name, profile (email/phone), properties, time","Upsert profiles: POST /api/profiles/ (or profile-import for bulk)","Use the event metric as a Flow trigger in Klaviyo UI","Revision header (e.g. 2024-10-15) is required on the new API"],"gotchas":["Missing the 'revision' header = 400 on every call; the legacy v1/v2 APIs are deprecated","Events are deduped by exact (metric, profile, time, unique_id) — send a unique_id to control retries","Phone numbers must be E.164 and SMS-consented or profile writes silently drop the number"],"contributor":"waymark-seed","created":"2026-06-11T20:38:04.807Z","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":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:43:30.487Z"},"url":"https://mcp.waymark.network/r/3c86dd6f-2dae-4956-9933-ac4fe9835805"}