# Douyin Content Creative Duration API

> Returns the video duration distribution for a specified Douyin category. Breaks down content duration patterns across weekly or monthly periods.

Source: https://www.sandbase.ai/model/douyin/index/content-creative-duration
API reference: https://www.sandbase.ai/model/douyin/index/content-creative-duration/docs

## Facts

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

| Parameter | Type | Required | Allowed values |
| --- | --- | --- | --- |
| `end_date` | string | yes |  |
| `tag_id` | string | yes |  |
| `period` | string | no | week, month |

## FAQ

### How do I use the Douyin Content Creative Duration API?

Send a POST request to https://api.sandbase.ai/v1/api/douyin/index/content-creative-duration 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 Creative Duration 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 Creative Duration API accept?

Required: end_date (string) and tag_id (string). Optional: period (one of week, month). The Parameters table and the Playground on this page list every field.

### What does the Douyin Content Creative Duration 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 Creative Duration 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 Creative Duration API

Query video length distribution metrics for a specific Douyin category using `tag_id`, `end_date`, and optional `period`.

#### Use cases

- Analyze preferred video lengths for creators within a target category.
- Benchmark video duration patterns across weekly or monthly reporting windows.
- Identify optimal video runtimes based on category-level creative trends.

#### Request

```bash
curl -X POST "https://api.sandbase.ai/v1/api/douyin/index/content-creative-duration" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"end_date": "1735660799", "tag_id": "2027"}'
```

#### Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `tag_id` | string | Yes | Category ID (required, does NOT support 0=all, must pass a specific category ID) |
| `end_date` | string | Yes | End date YYYYMMDD, must align with period |
| `period` | string | No | "week" (end_date must be a Sunday) or "month" (end_date must be month-end) |

#### Notes

- `tag_id` requires a specific category ID and does not support 0 for all categories.
- `end_date` must be formatted as YYYYMMDD and align with `period` (Sunday for week, month-end for month).

#### 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.