curl /api/v1/webhooks \
  -H "x-api-key: mh_live_abc123..."

{
  "items": [
    {
      "id": 1,
      "url": "https://your-app.com/webhooks/multihopper",
      "events": ["transfer.completed", "transfer.failed"],
      "isActive": true,
      "createdAt": "2025-01-10T00:00:00.000Z"
    }
  ]
}