POST /v1/webhooks

curl -X POST https://api.vonative.com/v1/webhooks \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "url": "https://myapp.com/webhook/vonative",
    "events": ["call.started", "call.ended"]
  }'

{
  "success": true,
  "data": {
    "id": "wh-uuid-1234",
    "url": "https://myapp.com/webhook/vonative",
    "status": "active",
    "secret": "whsec_..."
  }
}