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
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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.
Ask questions about any video and get answers with timestamps. Richer than raw transcripts.
Turn a video into chapter headings with timestamps in one call. Perfect for notes, Notion, and blogs.
Go from any video to ready-to-film Shorts/Reels scripts with delivery notes, hashtags & captions.
A clean, RESTful API.
Get a transcript from any YouTube URL or video ID. Formats: text, srt, vtt, json (segments with timestamps).
Transcribe up to 20 videos in one call. Bulk for creators & teams.
Get an AI summary of a video's transcript.
AI translate a transcript to any target language.
Ask a question about any video and get a timestamped answer.
Turn a video into chapter headings with timestamps.
Video → Shorts/Reels script + delivery notes + hashtags + caption.
Upload a VTT/SRT/text subtitle for summarization or translation.
Check remaining credits on your API key.
Simple & transparent. No hidden fees.
Get a free trial key instantly. No payment required.
Required — used only to enforce 1 trial per email.
Generate content ideas and scripts from any YouTube URL using AI. Works even if the video has no transcript.
Watch a real transcript being fetched in real time — no account needed.
Paste a YouTube URL and click Run to see the live transcript.
Paste any YouTube video and watch it become a ready-to-film Shorts script with delivery notes & hashtags.
Paste a YouTube URL and click Generate to see the AI Content Pack.
Trusted by builders, creators, and teams who need transcripts fast.
“I replaced 4 transcription tools with this API. The SRT output is perfect for my podcast auto-captions.”
— Rina, Content Creator
“Batch mode saved our writers hours. Clean JSON with timestamps made building our search index trivial.”
— David, Product Engineer
“The free trial was generous and it took minutes to go live. Fair pricing, fast API.”
— Mei, Startup Founder
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.
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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 features cost extra credits (see "AI features" below). Pay-as-you-go credits never expire.
Yes! Get a free trial API key in the "Try the API Free" section above — no payment required. Limited to 10 credits and expires in 24 hours.
Yes. Pro and Agency subscribers can use batch mode (/api/transcript/batch) to transcribe up to 20 URLs in a single call — ideal for creators and teams.
Yes. Use format=json on the transcript endpoint to get clean segments with start times and durations — perfect for building search, captions, or apps.
Three AI features beyond plain transcripts: Chat answers questions about a video with timestamps, Outline turns a video into chapter headings with timestamps, and Content Pack turns any video into a ready-to-film Shorts/Reels script with delivery notes, hashtags & a caption.
Transcripts: 1 credit. Chat and Outline: 3 credits each. Translation: 3 credits. Summary: 4 credits. Content Pack: 6 credits. Free trials use free AI models — your trial costs you nothing extra.