TikTok hashtag volume over time, growth rates, and live trending hashtags, searches and TikTok Shop products from one REST endpoint. No TikTok developer approval, no OAuth, no scraping.
# one POST, every source POST https://api.trendsapi.ai/api Authorization: Bearer YOUR_API_KEY { "mode": "get_growth", "source": "tiktok", "keyword": "booktok", "percent_growth": ["3M", "12M"] }
{
"search_term": "booktok",
"data_source": "tiktok",
"results": [
{
"period": "3M",
"growth": 12.6,
"direction": "increase"
},
{
"period": "12M",
"growth": 58.3,
"direction": "increase"
}
]
}TikTok's own developer API requires app review, exposes no hashtag volume history, and still leaves you scraping the trending page. Trends API gives you the demand side directly: how often a hashtag is used, how fast that is growing, and what is trending right now.
The practical edge is timing. TikTok spikes typically lead Google Search interest by two to four weeks, so a hashtag growing 40% week over week on TikTok is often a Google trend that has not happened yet. Because both sources share the same 0-100 scale here, that comparison is one line of code.
Spot hashtags rising before they saturate the For You page.
Track a brand or product hashtag's volume over time and against competitors.
Catch TikTok Shop product trends while they are still early.
Show clients which hashtags actually grew, with numbers instead of vibes.
| TikTok developer API | Trends API | |
|---|---|---|
| App approval | required, slow | not needed |
| Hashtag volume history | not exposed | weekly + daily series |
| Trending hashtags feed | manual | one call |
| Cross-platform compare | no | same 0-100 scale as Google, YouTube, Amazon |
| Free tier | n/a | 100 requests/month |
Historical trend series for a keyword on this source, normalized 0-100.
Growth percentages over 3M / 6M / 12M / 5Y windows.
21 live trending feeds across platforms, no keyword needed.
Hashtag volume over time (normalized 0-100), growth percentages over 3M/6M/12M/5Y windows, and three live feeds: trending hashtags, trending searches and TikTok Shop hot products.
No. There is no OAuth flow, no app review and no approval wait. One Trends API key covers TikTok and every other source.
Daily data for the last 30 days plus weekly history lets you catch early growth spikes before a hashtag reaches mainstream saturation.
No. "booktok", "BookTok" and "#booktok" all resolve to the same signal.
Yes, that is the point of the product. Query tiktok, youtube and google search for the same keyword and compare normalized scores directly.
100 requests a month free. No credit card, no sales call. One key works for every source.
Get a free API key