curl --request GET \
  --url https://app.1to1.ai/api/v1/public/{slug}/tester/conversations \
  --header 'Authorization: Bearer <token>'

{
  "items": [
    {
      "uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "contact": {
        "uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "name": "<string>",
        "profile_name": "<string>",
        "phone": "<string>"
      },
      "last_message_at": "2023-11-07T05:31:56Z",
      "last_message_preview": {
        "body": "sí, te mando el documento",
        "content_type": "text",
        "is_from_customer": true
      },
      "unread_count": 1,
      "mailbox": {
        "uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "name": "<string>"
      },
      "ai_employee": {
        "uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "name": "<string>"
      },
      "tags": [
        {
          "uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "name": "<string>",
          "color": "<string>"
        }
      ],
      "messaging_window_expires_at": "2023-11-07T05:31:56Z",
      "is_tester": true
    }
  ],
  "next_cursor": "<string>",
  "has_more": true
}