curl --request GET \
  --url http://localhost:3000/api/canary/webhook-endpoints \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "webhook_001",
      "merchantId": "merchant_456",
      "url": "https://example.com/webhooks",
      "events": [
        "checkout.session.completed",
        "purchase.succeeded",
        "transfer.completed"
      ],
      "active": true,
      "metadata": {},
      "createdAt": "2025-01-15T10:30:00.000Z",
      "updatedAt": "2025-01-15T10:30:00.000Z"
    }
  ],
  "pagination": {
    "limit": 50,
    "offset": 0,
    "total": 3,
    "hasMore": false
  }
}