curl -X GET \
  'https://platform.returnqueen.dev/api/partner_webhooks/ep_2KtRQ8fTStWPKrXP' \
  -H 'X-API-KEY: your-api-key'

{
  "id": "ep_2KtRQ8fTStWPKrXP",
  "url": "https://example.com/webhook",
  "filterTypes": ["shipment.created", "shipment.address.updated", "pickup.completed"],
  "active": true,
  "created_at": "2024-01-15T10:00:00Z",
  "description": "Production webhook endpoint",
  "secret": "whsec_MfKQ9r8GKYqrTwjUPD8ILPZIo2LaLaSw"
}