curl --request GET \
  --url https://tiktok-api23.p.rapidapi.com/api/live/category \
  --header 'x-rapidapi-key: <api-key>'

{
  "data": [
    {
      "is_not_show_tab": false,
      "sub_tabs": [
        {
          "cover_url": "https://p16-webcast.tiktokcdn.com/img/alisg/webcast-sg/drawer_tab_cover_chatting.png~tplv-obj.image",
          "potition": 0,
          "rank_type": "",
          "tab_name": "Chats",
          "tab_type": "chatting",
          "viewer_count": 2151381
        }
      ]
    }
  ]
}