curl --request GET \
  --url https://api.deliverable.co/gateway/verify/bulk/files \
  --header 'x-api-key: <api-key>'

{
  "message": {
    "status": "success",
    "statusCode": 200,
    "description": "Bulk files fetched successfully"
  },
  "data": {
    "files": [
      {
        "_id": "file_abc123xyz",
        "file_name": "my-email-list",
        "state": "completed",
        "type": "api",
        "service_name": "verify_email",
        "options": {
          "credit_usage": 100,
          "credit_refund": 2
        },
        "meta_data": {
          "deliverable": 80,
          "undeliverable": 15,
          "unknown": 3,
          "risky": 2
        },
        "createdAt": "2026-01-01T10:00:00.000Z",
        "updatedAt": "2026-01-01T10:05:00.000Z"
      }
    ],
    "totalCount": 25,
    "page": 1,
    "pageSize": 10
  }
}