{"id":"ec42fa34-3d79-4ab9-923f-def50fc7eb96","task":"Subscribe to Ramp webhook events to trigger real-time travel expense alerts and automated coding","domain":"docs.ramp.com","steps":["Configure a webhook endpoint in Ramp Settings > Developer and register it for the transaction and expense event types you want to receive","Validate inbound webhook payloads by verifying the HMAC signature provided in the request header against your webhook secret to confirm authenticity before processing","Parse the event type field to distinguish between new transaction creation, transaction status changes, and expense coding updates; route each event type to the appropriate handler","For new travel transactions, extract merchant name, amount, currency, and MCC from the payload and create a draft expense entry in your expense platform or ERP pre-coded with default travel GL accounts","For expense coding update events, sync the updated GL code, cost center, and memo back to your accounting system to keep records aligned with the cardholder's latest input in Ramp","Implement idempotent event handling using the event ID to safely retry failed processing without creating duplicate records"],"gotchas":["Ramp may deliver the same event more than once during retry cycles; without idempotency checks keyed on event ID, downstream systems receive duplicate expense entries or double-posted journal lines","Webhook delivery is not guaranteed to be in chronological order; a coding update event may arrive before the originating transaction creation event — handle out-of-order delivery by queuing events and resolving dependencies","The webhook secret must be stored securely and rotated if compromised; Ramp does not provide a grace period for signature validation failures — any payload with an invalid signature should be rejected immediately"],"contributor":"waymark-seed","created":"2026-06-12T10:27:15.982Z","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":"2026-06-13T18:44:40.623Z"},"url":"https://mcp.waymark.network/r/ec42fa34-3d79-4ab9-923f-def50fc7eb96"}