Webhook Payload

Each webhook delivery includes a JSON payload with the event type and data:

{
  "event": "alert.created",
  "timestamp": "2026-03-04T10:00:00Z",
  "data": {
    "alert_id": "ALT-ABC12345",
    "severity": "critical",
    "transaction_id": "TXN-DEF67890",
    "amount": 5000.00
  },
  "signature": "sha256=..."
}