curl -X POST https://api.whaapy.com/user-webhooks \
  -H "Authorization: Bearer wha_TU_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Todos los mensajes",
    "url": "https://mi-servidor.com/webhooks",
    "events": ["message.received", "message.sent", "message.delivered", "message.read"]
  }'