Mandate approval failed

Triggered when a mandate approval fails. The mandate's status becomes approval_failed and it is not usable. Inspect data.approval.error and retry by submitting a new approval.

postWebhookacceptanceMandateApprovalFailed

Payload

eventIdstring uuid required

Unique identifier for this webhook event. Use this for idempotency.

timestampstring date-time required

When this event occurred (ISO 8601 format).

eventType'acceptance.mandate.approval_failed' required

The type of webhook event.

Example payload

{
  "eventId": "223e4567-e89b-12d3-a456-426614174001",
  "timestamp": "2025-06-15T12:04:00Z",
  "eventType": "acceptance.mandate.approval_failed",
  "data": {
    "mandate": {
      "mandateId": "mandate_82c879c1-84e1-44ed-a8c2-1ac239cf09ad",
      "asset": "usdc",
      "policy": {
        "maxPerAuthorization": "50.00",
        "maxPerPeriod": {
          "amount": "500.00",
          "period": "month"
        }
      },
      "status": "approval_failed",
      "expiresAt": "2027-06-15T12:00:00.000Z",
      "url": "https://payments.coinbase.com/mandates/mandate_82c879c1-84e1-44ed-a8c2-1ac239cf09ad",
      "createdAt": "2025-06-15T12:00:00.000Z",
      "updatedAt": "2025-06-15T12:04:00.000Z"
    },
    "approval": {
      "approvalId": "approval_1a2b3c4d-5e6f-7890-abcd-ef1234567890",
      "status": "failed",
      "source": {
        "address": "0xAbC1234567890aBcDeF1234567890AbCdEf123456",
        "network": "base",
        "asset": "usdc"
      },
      "error": {
        "code": "invalid_signature",
        "message": "The submitted signature was invalid.",
        "occurredAt": "2025-06-15T12:04:00.000Z"
      },
      "createdAt": "2025-06-15T12:03:00.000Z",
      "updatedAt": "2025-06-15T12:04:00.000Z"
    }
  }
}

Response

Webhook received and processed successfully.

Changes

Webhooks have no change history: a webhook is keyed by its event name rather than a path and method, so no recorded change can name it.