curl --request GET \
  --url https://api.example.com/v1/voiceai/analytics/agents \
  --header 'x-api-key: <api-key>'

{
  "agents": [
    {
      "agent_id": "<string>",
      "agent_name": "<string>",
      "count": 0,
      "cost": 0,
      "llm_cost": 0,
      "duration": 0
    }
  ],
  "total_count": 0
}