YouTube captions API — fetch caption tracks over HTTP
Access YouTube auto-generated and manual captions through a stable HTTP API. Built for subtitle tools, search indexing, and LLM pipelines. Powered by FreeTranscriptAPI.com.
- Auto-generated and manual caption tracks
- Plain text or JSON output formats
- 1,000 free credits on signup
Quick start
Send a GET request to api.freetranscriptapi.com/v1/transcript with a video_url parameter. No API key needed for your first 20 requests per hour.
Related sites
Other keyword-focused entry points to the same API: