Get Call Statistics

curl --request GET \
  --url https://api.example.com/analytics/tenants/{tenant_id}/calls \
  --header 'Authorization: Bearer <token>'

{
  "tenant_id": "<string>",
  "period": {},
  "total_calls": 123,
  "completed_calls": 123,
  "failed_calls": 123,
  "success_rate": 123,
  "avg_duration_seconds": 123,
  "total_duration_minutes": 123,
  "quota": {
    "tenant_id": "<string>",
    "monthly_call_limit": 123,
    "calls_used_this_month": 123,
    "calls_remaining": 123,
    "calls_usage_percentage": 123,
    "max_concurrent_calls": 123,
    "current_active_calls": 123,
    "concurrent_calls_remaining": 123,
    "concurrent_usage_percentage": 123,
    "total_minutes_used": 123,
    "quota_exceeded": true,
    "status": "<string>"
  }
}