payment.failed

Event payload

This exact JSON body is signed and reused for every attempt and replay.

{
  "id": "evt_01J4PAYFAIL",
  "type": "payment.failed",
  "created_at": "2026-08-09T13:40:00Z",
  "data": {
    "payment": {
      "id": "pay_9931",
      "reason": "card_declined"
    }
  }
}