Get transcripts from any YouTube video, AI-powered summaries, and translations into 70+ languages. A simple REST API for developers, content creators, and researchers.
Languages
Endpoints
Starting at
Cache & fast responses
Everything you need to work with video transcripts.
Extract full transcripts from any public YouTube video - videos, Shorts, and embeds. Text, SRT, or VTT output.
Get a concise 3-5 sentence summary of any video's key points and takeaways using AI.
Translate any transcript into 70+ languages with one API call. Perfect for localization.
Upload your own VTT/SRT files to summarize or translate videos without captions.
Responses cached for 24h. Sub-second responses on repeat requests.
Just one API key header. Get started in under a minute.
A clean, RESTful API.
Get a transcript from any YouTube URL or video ID. Formats: text, srt, vtt.
Get an AI summary of a video's transcript.
AI translate a transcript to any target language.
Upload a VTT/SRT/text subtitle for summarization or translation.
Check remaining credits on your API key.
Simple & transparent. No hidden fees.
Use the demo key to test. Limit: 5 requests/hour.
3 steps to get started.
Pay-as-you-go or monthly via Gumroad.
Call the API with your key. Read the docs and start building.
Get your API key in under a minute after purchase.
Buy on Gumroad I Already Bought - ActivateA REST API to extract transcripts from any public YouTube video, plus AI-powered summaries and translations across 70+ languages.
We use Gumroad as our payment processor. Pay by credit card or PayPal right in your browser.
After paying, check your Gumroad email for the license key. Enter it on the activation page to get your API key instantly.
1 credit = 1 transcript. AI summaries and translations cost 2 credits each. Pay-as-you-go credits never expire.
Yes! Use the demo key demo123 (5 requests/hour) to test before buying.