# TikTok User ID by Username API

> Returns the user_id and sec_user_id associated with a specific TikTok username. Provide a profile username to resolve account identifiers.

Source: https://www.sandbase.ai/model/tiktok/app-v3/user-id-and-sec-user-id-by-username
API reference: https://www.sandbase.ai/model/tiktok/app-v3/user-id-and-sec-user-id-by-username/docs

## Facts

- Provider: TikTok
- Type: Data API
- Endpoint: `POST https://api.sandbase.ai/v1/api/tiktok/app-v3/user-id-and-sec-user-id-by-username`
- Price: $0.0015 per call
- Free allowance: 100 calls per organization per UTC day, shared across eligible APIs
- Capabilities: api, tiktok
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

`POST https://api.sandbase.ai/v1/api/tiktok/app-v3/user-id-and-sec-user-id-by-username` with `Authorization: Bearer $SANDBASE_API_KEY` and the parameters as a JSON body.

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

## FAQ

### How do I use the TikTok User ID by Username API?

Send a POST request to https://api.sandbase.ai/v1/api/tiktok/app-v3/user-id-and-sec-user-id-by-username 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 TikTok User ID by Username 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 TikTok User ID by Username API accept?

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

### What does the TikTok User ID by Username 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 TikTok developer account or API key?

No. TikTok User ID by Username 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 TikTok API access separately.

## README

### TikTok User ID by Username API

Look up account identifiers for a TikTok profile using the `username` parameter. This endpoint returns both `user_id` and `sec_user_id` values.

#### Use cases

- Resolve TikTok account identifiers from a public username.
- Retrieve required security IDs for downstream profile calls.
- Map user handles to unique IDs for analytics tracking.

#### Request

```bash
curl -X POST "https://api.sandbase.ai/v1/api/tiktok/app-v3/user-id-and-sec-user-id-by-username" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"username": "tiktok"}'
```

#### Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `username` | string | Yes | Username |

#### 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>",
  "user_id": "<user>"
}
```

#### Notes

- Requires a valid account handle passed to `username`.

#### Related APIs

- [TikTok LIVE Status](/model/tiktok/app-v3/check-live-room-online): Check whether a TikTok LIVE room is currently live by room ID.
- [TikTok Room Online Status Batch](/model/tiktok/app-v3/check-live-room-online-batch): Returns the online availability status for multiple TikTok broadcast rooms in a single request.
- [TikTok Content Translation](/model/tiktok/app-v3/content-translate): Translates provided text content into a designated target language.