curl --request GET \
  --url https://api.trymaitai.ai/api/v1/monitors/{monitor_id}/metrics \
  --header 'X-Maitai-Api-Key: <api-key>'

{
  "data": {
    "monitor_id": 501,
    "window_start_seconds": 1737463600,
    "window_end_seconds": 1737550000,
    "sampled_count": 480,
    "pass_count": 450,
    "warning_count": 12,
    "error_count": 18,
    "failed_count": 0,
    "pass_rate": 0.9375,
    "warning_rate": 0.025,
    "error_rate": 0.0375,
    "failed_rate": 0,
    "last_run_at": 1737550000000
  }
}