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latestOpenAPI 3.1.0Proprietary2026-08-141526321.5 MB
Webhooks

External account status webhook

Webhook that is called whenever the status of an external account changes, for any transition between statuses (PENDING, ACTIVE, UNDER_REVIEW, INACTIVE, PENDING_OWNERSHIP_VERIFICATION, UNVERIFIED) — for example when an account under review becomes active, when ownership verification completes (PENDING_OWNERSHIP_VERIFICATION → ACTIVE), or when a verification attempt fails (PENDING_OWNERSHIP_VERIFICATION → UNVERIFIED). This endpoint should be implemented by clients of the Grid API.

Authentication

The webhook includes a signature in the X-Grid-Signature header that allows you to verify that the webhook was sent by Grid. To verify the signature:

  1. Get the Grid public key provided to you during integration
  2. Decode the base64 signature from the header
  3. Create a SHA-256 hash of the request body
  4. Verify the signature using the public key and the hash

If the signature verification succeeds, the webhook is authentic. If not, it should be rejected.

Event types

  • EXTERNAL_ACCOUNT.STATUS_UPDATED — Fired when the status of an external account changes. The data payload contains the full external account object.
postWebhookexternal-account-status

Payload

idstring required

Unique identifier for this webhook delivery (can be used for idempotency)

type'EXTERNAL_ACCOUNT.STATUS_UPDATED' required

Type of webhook event in OBJECT.EVENT dot-notation. The part before the dot identifies the resource, the part after identifies the event. This lets consumers route purely on type without inspecting data.status.

timestampstring date-time required

ISO 8601 timestamp of when the webhook was sent

Example payload

{
  "id": "Webhook:019542f5-b3e7-1d02-0000-000000000007",
  "timestamp": "2025-08-15T14:32:00Z",
  "data": {
    "id": "ExternalAccount:e85dcbd6-dced-4ec4-b756-3c3a9ea3d965",
    "customerId": "Customer:da459a29-1fb7-41ce-a4cb-eb3a3c9fd7a7",
    "platformAccountId": "acc_123456789",
    "ownershipType": "FIRST_PARTY",
    "currency": "USD",
    "beneficiaryVerifiedData": {
      "fullName": "John Doe"
    },
    "accountInfo": {
      "accountType": "AED_ACCOUNT",
      "iban": "AE070331234567890123456",
      "swiftCode": "EBILAEAD"
    }
  }
}

Response

Webhook received successfully