curl --request GET \
  --url https://api.voice.ai/agent/v1/agent/call-history

{
  "items": [
    {
      "id": 123,
      "call_timestamp": "2023-11-07T05:31:56Z",
      "call_duration_seconds": 123,
      "credits_used": 123,
      "has_transcript": true,
      "agent_id": "<string>",
      "agent_name": "<string>",
      "call_type": "<string>",
      "from_number": "<string>",
      "to_number": "<string>",
      "transcription_summary": "<string>",
      "transcription_stats": {}
    }
  ],
  "pagination": {
    "current_page": 123,
    "total_pages": 123,
    "total_items": 123,
    "limit": 123,
    "has_next": true,
    "has_previous": true
  }
}