curl --request GET \
  --url 'https://api.voice.stateset.com/api/v1/voice-session-evals/stats' \
  --header 'Authorization: Bearer YOUR_API_KEY'

{
  "avg_score": 0.89,
  "evals_last_24h": 12,
  "high_quality_rate": 0.76,
  "total_evals": 125
}