# Douyin Multi-Keyword Index Interpretation API

> Returns index interpretation metrics for multiple keywords across selected time periods. Includes comparison metrics like period-over-period and year-over-year differences.

Source: https://www.sandbase.ai/apis/douyin/index/multi-keyword-interpretation
API reference: https://www.sandbase.ai/apis/douyin/index/multi-keyword-interpretation/docs

## Facts

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

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

## FAQ

### How do I use the Douyin Multi-Keyword Index Interpretation API?

Send a POST request to https://api.sandbase.ai/v1/api/douyin/index/multi-keyword-interpretation 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 Multi-Keyword Index Interpretation 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 Multi-Keyword Index Interpretation API accept?

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

### What does the Douyin Multi-Keyword Index Interpretation 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 Multi-Keyword Index Interpretation 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 Multi-Keyword Index Interpretation API

Fetch comparative index interpretation data for multiple topics by supplying `keyword_list`, `start_date`, and `end_date`.

#### Use cases

- Compare content index changes between current and previous periods for multiple topics.
- Monitor year-over-year search and content index differences for targeted brand terms.
- Track trend performance across Douyin and Toutiao platforms simultaneously.

#### Request

```bash
curl -X POST "https://api.sandbase.ai/v1/api/douyin/index/multi-keyword-interpretation" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"end_date": "20260412", "keyword_list": "人工智能,华为", "start_date": "20251015"}'
```

#### Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `end_date` | string | Yes | End date, YYYYMMDD |
| `start_date` | string | Yes | Start date, YYYYMMDD |
| `keyword_list` | string | Yes | Comma separated keywords |
| `region` | string | No | Region filter, comma separated, empty for all |
| `app_name` | string | No | Platform, aweme=Douyin, toutiao=Toutiao |

#### Example response

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

```json
{
  "keyword_index_interpretations": [
    {
      "keyword": "人工智能",
      "current_period": {
        "content_index": "6286798"
      },
      "last_period": {
        "content_index": "22432607"
      },
      "last_period_diff": {
        "content_diff": -0.7197473303036067
      },
      "last_year_diff": {
        "content_diff": -0.29883205556881526
      },
      "overview": {
        "content_index": 6286798
      }
    }
  ]
}
```

#### Notes

- Set `app_name` to "aweme" for Douyin or "toutiao" for Toutiao.
- Pass multiple terms in `keyword_list` as a comma-separated string.
- Use `region` with comma-separated values to filter by specific geographic areas, or leave it empty for all regions.

#### 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.