curl --request GET \
  --url https://app.fluently.at/api/developers/v1/conversations \
  --header 'Authorization: Bearer <token>'

{
  "conversations": [
    {
      "id": "<string>",
      "agent": "<string>",
      "cost": 123,
      "from": "<string>",
      "to": "<string>",
      "duration": 123,
      "createdAt": "2023-11-07T05:31:56Z"
    }
  ]
}