# Douyin Relation Word Analysis API

> Returns search and content relation word graphs and rankings for a keyword. Query by target keyword, platform selection, and weekly date intervals.

Source: https://www.sandbase.ai/model/douyin/index/relation-word
API reference: https://www.sandbase.ai/model/douyin/index/relation-word/docs

## Facts

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

| Parameter | Type | Required | Allowed values |
| --- | --- | --- | --- |
| `end_date` | string | yes |  |
| `keyword` | string | yes |  |
| `start_date` | string | yes |  |
| `app_name` | string | no | aweme, toutiao |

## FAQ

### How do I use the Douyin Relation Word Analysis API?

Send a POST request to https://api.sandbase.ai/v1/api/douyin/index/relation-word 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 Relation Word Analysis 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 Relation Word Analysis API accept?

Required: end_date (string), keyword (string) and start_date (string). Optional: app_name (one of aweme, toutiao). The Parameters table and the Playground on this page list every field.

### What does the Douyin Relation Word Analysis API return?

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

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

No. Douyin Relation Word Analysis 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 Relation Word Analysis API

Retrieve search and content relation word analysis for a target `keyword` across Douyin or Toutiao. Provide `start_date` and `end_date` to define the analysis period.

#### Use cases

- Analyze search and content keywords associated with a specific term.
- Map relation word graphs to identify emerging topic associations.
- Compare keyword relations across Douyin and Toutiao platforms.

#### Request

```bash
curl -X POST "https://api.sandbase.ai/v1/api/douyin/index/relation-word" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"end_date": "1735660799", "keyword": "人工智能", "start_date": "1730044800"}'
```

#### Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `keyword` | string | Yes | The keyword to analyze |
| `end_date` | string | Yes | End date (must be a Sunday), format YYYYMMDD |
| `start_date` | string | Yes | Start date (recommend Monday), format YYYYMMDD |
| `app_name` | string | No | Platform, aweme=Douyin, toutiao=Toutiao |

#### Notes

- `end_date` must be a Sunday in YYYYMMDD format, with `start_date` recommended to be a Monday.
- Set `app_name` to `aweme` for Douyin or `toutiao` for Toutiao.

#### 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.