3Blue1Brown Transcripts | Free YouTube Transcript API

Get transcripts of 3Blue1Brown videos via REST API. Math visualizations and explainers. Free tier available. Use the YouTube Transcript API to programmatically pull transcripts from 3Blue1Brown videos for analysis, summarization, search, or AI training.

Quick start

Get any 3Blue1Brown video's transcript in one HTTP request:

curl "https://youtubetranscript.us/api/v1/transcript?video_id=YOUR_VIDEO_ID" \
  -H "X-API-Key: YOUR_KEY"

Python example

import requests
r = requests.get("https://youtubetranscript.us/api/v1/transcript",
                 params={"video_id": "VIDEO_ID"},
                 headers={"X-API-Key": "YOUR_KEY"})
data = r.json()
for line in data["transcript"]:
    print(line["start"], line["text"])

Why use it for 3Blue1Brown?

Get started: Sign up for a free API key. 500 requests/month on the starter plan.

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