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

{
  "data": {
    "pagination": {
      "has_more": true,
      "page": 1,
      "size": 20,
      "total_count": 500
    },
    "list": [
      {
        "hashtag_id": "7415820094837948446",
        "hashtag_name": "tiktokshopholidayhaul",
        "country_info": {
          "id": "US",
          "value": "United States",
          "label": "US"
        },
        "industry_info": {
          "id": 22000000000,
          "value": "Apparel & Accessories",
          "label": "label_22000000000"
        },
        "is_promoted": false,
        "trend": [
          {
            "time": 1763251200,
            "value": 0.21
          }
        ],
        "publish_cnt": 1083553,
        "video_views": 2049831890,
        "rank": 1,
        "rank_diff": 0,
        "rank_diff_type": 2
      }
    ]
  }
}