Get transcripts from any YouTube video, AI-powered summaries, image generation, webhooks, and more. A simple REST API for developers, content creators, and researchers.
Endpoints
AI Features
Starting at
Redis Cache
Image Gen
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 summary of any video's key points and takeaways using AI. Enhanced prompts for quality output.
Translate any transcript into 70+ languages with one API call. Perfect for localization.
Generate stunning images from video prompts using DALL-E and FLUX models.
Upload your own VTT/SRT files to summarize or translate videos without captions.
Responses cached for 24h on Redis. Sub-second responses on repeat requests.
Get notified when events happen - license created, credits low, trial expiring.
Track your API usage, credits, and history with detailed analytics.
Just one API key header. Get started in under a minute.
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 with transcript support.
Paste a YouTube URL and click Run to see the live 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
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, image generation, translations, webhooks, and more 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 features cost extra credits (see pricing above). 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 POST /api/generate-image to generate images from text prompts using DALL-E 3 or FLUX.1. Costs 2 credits per generation.
Register a webhook URL at POST /api/webhook to receive JSON notifications for events like license creation, credits running low, or trial expiration.
Yes. Use format=json on the transcript endpoint to get clean segments with start times and durations — perfect for building search, captions, or apps.
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.