# Bilibili Video Danmaku API

> Returns timed on-screen danmaku comments for a specified Bilibili video in XML format using the video content identifier (cid).

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

## Facts

- Provider: Bilibili
- Type: Data API
- Endpoint: `POST https://api.sandbase.ai/v1/api/bilibili/web/video-danmaku`
- Price: $0.0015 per call
- Free allowance: 100 calls per organization per UTC day, shared across eligible APIs
- Capabilities: api, bilibili
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

`POST https://api.sandbase.ai/v1/api/bilibili/web/video-danmaku` with `Authorization: Bearer $SANDBASE_API_KEY` and the parameters as a JSON body.

| Parameter | Type | Required | Allowed values |
| --- | --- | --- | --- |
| `cid` | string | yes |  |

## FAQ

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

Send a POST request to https://api.sandbase.ai/v1/api/bilibili/web/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 Bilibili 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 Bilibili Video Danmaku API accept?

Required: cid (string). The Parameters table and the Playground on this page list every field.

### What does the Bilibili Video Danmaku API return?

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

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

No. Bilibili 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 Bilibili API access separately.

## README

### Bilibili Video Danmaku API

Look up timed danmaku (bullet comments) for any Bilibili video part by providing its `cid`.

#### Use cases

- Analyze audience sentiment and real-time reactions across specific video timestamps.
- Archive bullet comments alongside video content for offline playback or research.
- Detect high-engagement video moments where danmaku density peaks.

#### Request

```bash
curl -X POST "https://api.sandbase.ai/v1/api/bilibili/web/video-danmaku" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"cid": "1639235405"}'
```

#### Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `cid` | string | Yes | Video cid |

#### Notes

- Requires the video `cid` (content ID), which represents a specific video part or episode.

#### Related APIs

- [Bilibili Streaming Areas](/model/bilibili/web/all-live-areas): Returns the complete list of streaming broadcast areas and categories on Bilibili.
- [Bilibili BV to AID Converter](/model/bilibili/web/bv-to-aid): Converts a Bilibili BV identifier to its corresponding numeric AID value.
- [Bilibili User Collection Folders](/model/bilibili/web/collect-folders): Returns the collection folders owned by a specific Bilibili user.