# Douyin Content Guide Valid Dates API

> Returns the valid date ranges supported by the Douyin content guide index. Helps clients determine allowable date intervals before requesting trend and guide statistics.

Source: https://www.sandbase.ai/apis/douyin/index/content-valid-date
API reference: https://www.sandbase.ai/apis/douyin/index/content-valid-date/docs

## Facts

- Provider: Douyin
- Type: Data API
- Endpoint: `POST https://api.sandbase.ai/v1/api/douyin/index/content-valid-date`
- 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/index/content-valid-date` with `Authorization: Bearer $SANDBASE_API_KEY` and the parameters as a JSON body.

## FAQ

### How do I use the Douyin Content Guide Valid Dates API?

Send a POST request to https://api.sandbase.ai/v1/api/douyin/index/content-valid-date 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 Content Guide Valid Dates 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 Content Guide Valid Dates API accept?

Douyin Content Guide Valid Dates takes no input parameters; send an empty JSON body.

### What does the Douyin Content Guide Valid Dates API return?

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

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

No. Douyin Content Guide Valid Dates 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 Content Guide Valid Dates API

Returns valid date ranges for Douyin content index records without requiring query parameters.

#### Use cases

- Check allowable date intervals before querying content index metrics.
- Configure date pickers for Douyin content guide dashboards.
- Verify active historical time spans supported by the content guide.

#### Request

```bash
curl -X POST "https://api.sandbase.ai/v1/api/douyin/index/content-valid-date" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{}'
```

#### Related APIs

- [Douyin Index Area List](/model/douyin/index/all-area): Returns the complete list of supported geographic areas available for Douyin Index queries.
- [Douyin Index Valid Dates](/model/douyin/index/all-valid-date): Returns the latest valid dates available for each data type in Douyin Index.
- [Douyin Brand Popularity Cycles](/model/douyin/index/brand-cycles): Returns periodic brand popularity and cycle analysis data across platforms for a specified brand name and date range.