v9

OpenAPI 3.1.02026-08-043703845.2 MB

Cards

CardTransaction Declined

Sent when a card transaction is declined

Required permissions:

payout:account:read
webhook_receive:card_transactions

postWebhookcard_transaction.declined

Headers

webhook-idstring required

A unique identifier for this webhook request

Example:msg_xxxxxxxxxxxxxxxxxxxxxxxx

webhook-signaturestring required

The signature of the webhook request with the webhook version prepended

Example:v1,BASE64ENCODEDSIGNATURE

webhook-timestampstring required

The timestamp in seconds since the Unix epoch that the webhook was sent at on the server

Example:1727606400

Payload

api_version'v1' required

The API version for this webhook

api_version_datestring nullable required

The dated API version (Api-Version-Date) the payload is serialized to

company_idstring nullable

The account ID that this webhook event is associated with

idstring required

A unique ID for every single webhook request

timestampstring date-time required

The timestamp in ISO 8601 format that the webhook was sent at on the server

type'card_transaction.declined' required

The webhook event type

Example payload

{
  "api_version": "v1",
  "api_version_date": "2026-07-20",
  "company_id": "biz_xxxxxxxxxxxxxx",
  "data": {
    "status": "pending",
    "transaction_type": "spend"
  },
  "id": "msg_xxxxxxxxxxxxxxxxxxxxxxxx",
  "timestamp": "2025-01-01T00:00:00.000Z",
  "type": "card_transaction.declined"
}

Response

Return a 200 status to indicate that the data was received successfully