curl --request GET \
  --url https://api.example.com/health

{
  "status": "ok",
  "timestamp": "2024-01-10T12:00:00Z",
  "services": {
    "backend": {
      "status": "healthy",
      "version": "1.0.0",
      "uptime": 3600
    },
    "database": {
      "status": "connected",
      "type": "postgresql"
    }
  }
}