curl -X GET \
  'https://platform.returnqueen.dev/api/partner_webhooks' \
  -H 'X-API-KEY: your-api-key'

{
  "webhooks": [
    {
      "id": "ep_2KtRQ8fTStWPKrXP",
      "url": "https://example.com/webhook",
      "filterTypes": ["shipment.created"],
      "active": true,
      "created_at": "2024-01-15T10:00:00Z",
      "description": "Production webhook endpoint"
    }
  ],
  "total": 1
}