# Douyin Xingtu Follower Growth Trend API

> Get Douyin Creator Marketplace (Xingtu) daily follower trend data for a specified creator and date range. Use it to review follower growth patterns during creator evaluation.

Source: https://www.sandbase.ai/model/douyin/xingtu-v3/data-sp-author-daily-fans
API reference: https://www.sandbase.ai/model/douyin/xingtu-v3/data-sp-author-daily-fans/docs

## Facts

- Provider: Douyin
- Type: Data API
- Endpoint: `POST https://api.sandbase.ai/v1/api/douyin/xingtu-v3/data-sp-author-daily-fans`
- Price: $0.03 per call
- Capabilities: api, douyin, social media
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

`POST https://api.sandbase.ai/v1/api/douyin/xingtu-v3/data-sp-author-daily-fans` with `Authorization: Bearer $SANDBASE_API_KEY` and the parameters as a JSON body.

| Parameter | Type | Required | Allowed values |
| --- | --- | --- | --- |
| `oAuthorId` | string | yes |  |
| `startDate` | string | yes |  |
| `endDate` | string | yes |  |

## FAQ

### How do I use the Douyin Xingtu Follower Growth Trend API?

Send a POST request to https://api.sandbase.ai/v1/api/douyin/xingtu-v3/data-sp-author-daily-fans 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 Xingtu Follower Growth Trend API cost?

$0.03 per call, billed from your SandBase balance. You are only charged for calls you make; there is no subscription.

### What parameters does the Douyin Xingtu Follower Growth Trend API accept?

Required: oAuthorId (string), startDate (string) and endDate (string). The Parameters table and the Playground on this page list every field.

### What does the Douyin Xingtu Follower Growth Trend API return?

A JSON response returned in the same HTTP request (synchronous).

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

No. Douyin Xingtu Follower Growth Trend 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 Xingtu Follower Growth Trend API

Get Douyin Creator Marketplace (Xingtu) daily follower trend data for a specified creator and date range. Use it to review follower growth patterns during creator evaluation.

The response is the platform's original data structure.

#### Request

```bash
curl -X POST "https://api.sandbase.ai/v1/run" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "douyin/xingtu-v3/data-sp-author-daily-fans", "oAuthorId": "6870161898013196295", "startDate": "2026-10-22", "endDate": "2026-10-29"}'
```

#### Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `oAuthorId` | string | Yes | Author's unique ID. |
| `startDate` | string | Yes | Start Date (yyyy-MM-dd). |
| `endDate` | string | Yes | End Date (yyyy-MM-dd). |

#### Pricing

Flat price per call. Failed calls and empty results are not charged.