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POST
/
api
/
v2
/
youtube_transcript
YouTube Transcript API - Extract video transcripts
curl --request POST \
  --url https://api.llmlayer.dev/api/v2/youtube_transcript \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "url": "https://www.youtube.com/watch?v=dQw4w9WgXcQ",
  "language": "en"
}
'
{
  "transcript": "<string>",
  "url": "<string>",
  "title": "<string>",
  "description": "<string>",
  "author": "<string>",
  "views": 123,
  "likes": 123,
  "date": "<string>",
  "cost": 123,
  "language": "<string>"
}

Documentation Index

Fetch the complete documentation index at: https://docs.llmlayer.ai/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
Authorization
string
header
required

Bearer token authentication using your LLMLayer API key. Include in Authorization header as: Bearer YOUR_LLMLAYER_API_KEY

Body

application/json
​
url
string<uri>
required

YouTube video URL (supports youtube.com and youtu.be)

Example:

"https://www.youtube.com/watch?v=dQw4w9WgXcQ"

​
language
string | null

Language code for transcript (e.g., 'en', 'es', 'fr'). If not specified, uses video's default language.

Example:

"en"

Response

Extracted transcript with video metadata

​
transcript
string
required

Full video transcript text

​
url
string
required

YouTube video URL

​
title
string | null

Video title

​
description
string | null

Video description

​
author
string | null

Channel name/author

​
views
integer | null

View count

​
likes
integer | null

Like count

​
date
string | null

Upload date

​
cost
number | null

Cost in USD (value from COST_YOUTUBE_TRANSCRIPT constant)

​
language
string | null

Language of the returned transcript