# Douyin Video Danmaku API

> Returns danmaku comment records for a Douyin video across a specified playback interval. Filter by video ID, total duration, start time, and end time.

Source: https://www.sandbase.ai/apis/douyin/web/one-video-danmaku
API reference: https://www.sandbase.ai/apis/douyin/web/one-video-danmaku/docs

## Facts

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

| Parameter | Type | Required | Allowed values |
| --- | --- | --- | --- |
| `duration` | integer | yes |  |
| `end_time` | integer | yes |  |
| `item_id` | string | yes |  |
| `start_time` | integer | yes |  |

## FAQ

### How do I use the Douyin Video Danmaku API?

Send a POST request to https://api.sandbase.ai/v1/api/douyin/web/one-video-danmaku 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 Video Danmaku 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 Video Danmaku API accept?

Required: duration (integer), end_time (integer), item_id (string) and start_time (integer). The Parameters table and the Playground on this page list every field.

### What does the Douyin Video Danmaku 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 Video Danmaku 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 Video Danmaku API

Retrieve danmaku comment streams for a specific Douyin video using `item_id`. Specify the playback window using `duration`, `start_time`, and `end_time`.

#### Use cases

- Analyze viewer real-time reactions across specific video segments.
- Display synchronized danmaku overlays in custom video players.
- Identify audience engagement spikes during video playback.

#### Request

```bash
curl -X POST "https://api.sandbase.ai/v1/api/douyin/web/one-video-danmaku" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"duration": 15134, "end_time": 15133, "item_id": "7355433624046472498", "start_time": 0}'
```

#### Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `item_id` | string | Yes | Video id |
| `duration` | integer | Yes | Video total duration |
| `end_time` | integer | Yes | End time |
| `start_time` | integer | Yes | Start time |

#### Example response

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

```json
{
  "end_time": 32000,
  "start_time": 0,
  "status_code": 0
}
```

#### Notes

- Requires `item_id`, `duration`, `start_time`, and `end_time` for each query.
- Time parameters define the video playback window for retrieved danmaku comments.

#### Related APIs

- [Douyin Batch Video ID Extraction](/model/douyin/web/all-aweme-id): Extracts video IDs from a list of Douyin video URLs.
- [Douyin sec_user_ids from URLs (Batch)](/model/douyin/web/all-sec-user-id): Extracts Douyin sec_user_id values in bulk from a list of user homepage URLs.
- [Douyin Webcast ID Extraction](/model/douyin/web/all-webcast-id): Extracts webcast IDs from a submitted list of Douyin live room links.