curl --request GET \
  --url https://api.altostrat.io/sites/{siteId}/metrics \
  --header 'Authorization: Bearer <token>'

{
  "uptime_percentage": 99.98,
  "downtime_duration_seconds": 17,
  "last_status": "online",
  "last_seen_at": "2025-10-29T12:55:00Z"
}