# How do I convert a Douyin sec_uid to a uid, and back? (2026) 1 call does it: give douyin.users.get the sec_uid as id and add view=full, and ext.uid in the answer is the numeric uid, at $0.0020. A profile link works as url too. Going back from a uid takes 2 calls, and works where douyin.users.history has data for that account. DataXAPI reads Douyin with 36 endpoints, from $0.0020 a call; a failed call is not charged. Updated 2026-11-04 ## From a sec_uid to a uid Call `https://api.dataxapi.com/v1/douyin/users/get` with `id` set to the `sec_uid` and `view=full`. The uid is at `data.item.ext.uid`, which needs `view=full`: without it there is no `ext`. Do not take `username` for it: that is the Douyin handle (抖音号), and it is often digits too. ## From a uid back to a sec_uid `douyin.users.history` with `id` set to the uid answers with `url`, the account's profile link. Pass that link to `douyin.users.get` as `url`, and `data.item.id` is the `sec_uid`. That is $0.0020 and $0.0020, $0.004 in all. Accounts with very few followers have no such data: when tried, a few hundred followers failed and over thirty thousand worked, and retrying does not help. ## Which endpoint wants which They are two IDs of one account, and an endpoint refuses the other kind. | ID | Looks like | Taken by | | --- | --- | --- | | `sec_uid` | A long string starting with `MS4w` | `douyin.users.get` and `douyin.users.videos.list`, as `id`. `douyin.users.search` gives it from a name | | `uid` | A string of digits | `douyin.users.history` and `douyin.index.creators.metrics`, as `id` | ## What a batch comes to The uid for 200 accounts is 200 calls at $0.0020, $0.40. Their 7-day history adds 200 at $0.0020, $0.40, so $0.80. A failed call is not charged. ## Endpoints - [Douyin user profile](https://dataxapi.com/apis/douyin/users/get/) ($0.0020 / a call): Get a Douyin user's profile by account ID or profile link: name, handle, bio, follower, following and post counts, total likes, verification. - [Douyin creator engagement and follower trends](https://dataxapi.com/apis/douyin/users/history/) ($0.0020 / a call): Get how a Douyin account's numbers moved over the last 7 or 30 days, by its numeric ID, from the platform's own index tool: net new followers, new likes, comments, shares and posts, each as a ratio against the period before, and the totals now; up to five accounts in one request. It is one period's sum, not a day-by-day series. - [Douyin trend-index creator core metrics](https://dataxapi.com/apis/douyin/index/creators/metrics/) ($0.0020 / a call): Get a Douyin creator's core figures from the platform's own index tool, by the account's numeric ID: new likes, followers, shares and comments a day on average over the last week and the last month, each as a ratio against the period before. An account the tool has nothing on (every figure 0) is answered as not found. - [Douyin user search](https://dataxapi.com/apis/douyin/users/search/) ($0.0020 / a call): Search Douyin accounts by terms, a page at a time: account ID, display name, avatar, follower count, post count, total likes. ## More about Douyin - [Douyin API](https://dataxapi.com/apis/douyin/) - [Douyin trend-index API](https://dataxapi.com/apis/douyin/index/) - [How do I export Douyin data?](https://dataxapi.com/answers/export-douyin-data/) - [What is sec_uid on Douyin, and how is it different from uid and the Douyin ID?](https://dataxapi.com/answers/douyin-sec-uid/) - [What are aweme_id and modal_id on Douyin, and what is a v.douyin.com link?](https://dataxapi.com/answers/douyin-aweme-id-modal-id/) - [Is the Douyin search index a number of searches?](https://dataxapi.com/answers/douyin-search-index-vs-search-count/) - [What is the Douyin keyword index (Ocean Engine)?](https://dataxapi.com/answers/what-is-douyin-keyword-index-ocean-engine/) - [What is Douyin Xingtu?](https://dataxapi.com/answers/what-is-douyin-xingtu/) - [Can Douyin's open platform read other people's videos and comments? 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