{"service":"API SMS Melo - Webhook Receiver","version":"1.0.0","endpoints":{"POST /webhook":"Recibir webhooks de SMS Gateway","GET /messages":"Listar mensajes (query: phone, event, limit, offset)","GET /messages/:id":"Obtener mensaje por ID","DELETE /messages/:id":"Eliminar mensaje por ID","DELETE /messages":"Eliminar todos los mensajes","GET /health":"Estado del servidor"},"totalMessages":3}