Authentication required

HTTP status: 401 Retryable: No

Description

The request did not include valid authentication credentials. All API endpoints require a valid Bearer token or API key.

Resolution

Include a valid Authorization: Bearer <token> header or an X-API-Key header. Verify that your credentials have not expired or been revoked.

Example response

{
  "error": {
    "code": "authentication_required",
    "docUrl": "https://docs.blockdaemon.com/errors/authentication_required",
    "message": "Valid authentication is required",
    "occurredAt": "2026-02-10T10:00:00Z",
    "requestId": "req_abc123xyz",
    "status": 401
  }
}