GET /v1/bilibili/util/video_caption_v2
Bilibili Video Captions API (V2)
stable · 20 credits per success
Retrieve the caption data of a Bilibili video part identified by BVID, AID and CID. Use it to obtain subtitles for transcript extraction, accessibility review or language-oriented content analysis.
Request parameters
| Name | Type | In | Required | Description | Example |
|---|---|---|---|---|---|
| aid | string | query | yes | 哔哩哔哩 AID。 | demo |
| cid | string | query | yes | 哔哩哔哩 CID。 | demo |
| bvid | string | query | yes | 哔哩哔哩 视频 ID (BVID)。 | demo |
Response fields
Field dictionary coming soon — the executable panel shows the live shape.
Errors
| code | HTTP | Meaning | Billed |
|---|---|---|---|
| 40001 | 400 | Invalid parameters | no |
| 40102 | 401 | Invalid or revoked API Key | no |
| 40201 | 402 | Insufficient credits | no |
| 40402 | 404 | Resource not found | no |
| 42201 | 422 | Quality gate failed | no |
| 42901 | 429 | Rate limit exceeded | no |
| 50401 | 504 | Upstream timeout | no |
| 50201 | 502 | Upstream error | no |
Billing
Success costs 20 credits. Any failure — including a 200 that fails the quality gate — costs 0.