curl --request GET \
  --url https://api-west.millis.ai/call-logs/metrics \
  --header 'authorization: <authorization>'

{
  "total_calls": 123,
  "active_calls": 123,
  "status_counts": {},
  "total_minutes": 123,
  "avg_duration_seconds": 123,
  "min_duration_seconds": 123,
  "max_duration_seconds": 123,
  "period": "<string>",
  "start_time": 123,
  "end_time": 123
}