curl --request GET \
  --url https://www.getrevox.com/api/call

{
  "calls": [
    {
      "id": "<string>",
      "phone_number": "<string>",
      "status": "queued",
      "result": "IVR",
      "recording_url": "<string>",
      "started_at": "<unknown>",
      "answered_at": "<unknown>",
      "ended_at": "<unknown>",
      "transcript": [
        {
          "role": "user",
          "content": "<string>"
        }
      ],
      "structured_output": {}
    }
  ]
}