curl --request GET \
  --url https://api.pyai.com/v1/omni/calls \
  --header 'Authorization: Bearer <token>'

{
  "object": "list",
  "data": [
    {
      "object": "omni.call",
      "call_id": "<string>",
      "session_label": "<string>",
      "duration_s": 123,
      "has_recording": true,
      "has_summary": true,
      "started_at": 123,
      "created_at": 123
    }
  ],
  "has_more": true,
  "next_cursor": "<string>"
}