# Douyin UID to Sec User ID API

> Converts a standard Douyin user UID into an encrypted sec_user_id. It takes a short_id value and returns the corresponding secure identifier.

Source: https://www.sandbase.ai/model/douyin/web/encrypt-uid-to-sec-user-id
API reference: https://www.sandbase.ai/model/douyin/web/encrypt-uid-to-sec-user-id/docs

## Facts

- Provider: Douyin
- Type: Data API
- Endpoint: `POST https://api.sandbase.ai/v1/api/douyin/web/encrypt-uid-to-sec-user-id`
- Price: $0.0015 per call
- Free allowance: 100 calls per organization per UTC day, shared across eligible APIs
- Capabilities: api, douyin
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

`POST https://api.sandbase.ai/v1/api/douyin/web/encrypt-uid-to-sec-user-id` with `Authorization: Bearer $SANDBASE_API_KEY` and the parameters as a JSON body.

| Parameter | Type | Required | Allowed values |
| --- | --- | --- | --- |
| `uid` | string | yes |  |

## FAQ

### How do I use the Douyin UID to Sec User ID API?

Send a POST request to https://api.sandbase.ai/v1/api/douyin/web/encrypt-uid-to-sec-user-id with your SandBase API key in the Authorization header (Bearer) and the parameters as a JSON body. You can also try it in the Playground on this page without writing code.

### How much does the Douyin UID to Sec User ID API cost?

$0.0015 per call. Every organization gets 100 free calls per UTC day, shared across eligible SandBase APIs including this one; after that each call is billed at this price from your SandBase balance. There is no subscription.

### What parameters does the Douyin UID to Sec User ID API accept?

Required: uid (string). The Parameters table and the Playground on this page list every field.

### What does the Douyin UID to Sec User ID API return?

A JSON response returned in the same HTTP request (synchronous). The README on this page includes a sample response.

### Do I need a Douyin developer account or API key?

No. Douyin UID to Sec User ID runs through SandBase, so one SandBase API key covers this endpoint and every other API and model in the catalog. You do not need to apply for Douyin API access separately.

## README

### Douyin UID to Sec User ID API

Retrieve the encrypted secure user identifier for Douyin profiles by providing a target `uid`.

#### Use cases

- Convert standard Douyin short IDs into secure identifiers.
- Prepare secure user identifiers required by Douyin web endpoints.
- Resolve user identifiers across profile-related lookup workflows.

#### Request

```bash
curl -X POST "https://api.sandbase.ai/v1/api/douyin/web/encrypt-uid-to-sec-user-id" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"uid": "92769419069"}'
```

#### Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `uid` | string | Yes | User uid, which is the short_id of the Douyin number |

#### Example response

Real response for the request above, trimmed to the main fields. User names and long IDs are masked.

```json
{
  "sec_user_id": "<user>"
}
```

#### Notes

- The `uid` parameter expects the user UID, which corresponds to the short_id of the Douyin number.

#### Related APIs

- [Douyin Batch Video ID Extraction](/model/douyin/web/all-aweme-id): Extracts video IDs from a list of Douyin video URLs.
- [Douyin sec_user_ids from URLs (Batch)](/model/douyin/web/all-sec-user-id): Extracts Douyin sec_user_id values in bulk from a list of user homepage URLs.
- [Douyin Webcast ID Extraction](/model/douyin/web/all-webcast-id): Extracts webcast IDs from a submitted list of Douyin live room links.