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All Spark360 webhook events use the same top-level envelope for consistent parsing and idempotency. 
{
  "event": "lead.enriched",
  "event_id": "uuid-v4",
  "timestamp": "2026-04-06T14:22:00Z",
  "organization_id": "b8ff2073-228d-4f0f-b5db-28b49cf4069e",
  "data": {}
}
  • event_id: unique per delivery attempt; use for deduplication
  • timestamp: ISO 8601 UTC
  • organization_id: Spark360 organization UUID (same value as Quantiv referenceId)