YouTube Get Transcript

PythonYouTube

POST api.upapi.io/youtube-get-transcript.get

Best-effort video transcript/captions via youtube-transcript-api. No API key or auth needed (no quota). Returns empty transcript on failure.

youtubetranscriptcaptions

AuthAPI key

Cost4 units

Timeout15s

Cache3600s

Request schema

Field	Type	Description
`videoId`req	string	YouTube video ID
`maxChars`	integer	Max transcript length· default: `4000`

Response schema

Field	Type	Description
`success`req	boolean
`videoId`req	string
`language`req	string
`charCount`req	integer
`elapsedMs`req	integer
`transcript`req	string

Try it

videoIdrequired

YouTube video ID

maxCharsoptional· default: 4000

Max transcript length

Run this endpoint live

Jump in as a guest — no signup — and run youtube-get-transcript.get with your own inputs. Create a free account anytime to get your own API key.

Code examples

curl -X POST https://api.upapi.io/youtube-get-transcript.get \
  -H 'Content-Type: application/json' \
  -H 'x-api-key: YOUR_API_KEY' \
  -d '{ "videoId": "dQw4w9WgXcQ", "maxChars": 4000 }'

Developer tools

OpenAPI specImport the spec or collection into Postman, Insomnia, or any codegen tool.

YouTube Get Transcript API reference

Request parameters

videoId: stringrequired— YouTube video ID
maxChars: integer— Max transcript length

Response fields

success: booleanrequired
videoId: stringrequired
language: stringrequired
charCount: integerrequired
elapsedMs: integerrequired
transcript: stringrequired

How to call it

Send one POST to api.upapi.io/youtube-get-transcript.get with your key in the X-Api-Key header and the parameters above as a JSON body. Each call spends 4 weighted units of your monthly quota. The operation times out after 15 seconds. Identical requests are served from cache for 3600 seconds, unbilled.

Example request body

{
  "videoId": "dQw4w9WgXcQ",
  "maxChars": 4000
}

Example response shape

{
  "success": false,
  "videoId": "dQw4w9WgXcQ",
  "language": "en",
  "charCount": 1,
  "elapsedMs": 1,
  "transcript": "example"
}

The example response is generated from this operation's published output schema — it shows the shape and field names, not values from a recorded call.