1. Get an API key
Sign in and create a key on the API keys page. Keys start withsdt_. You only see the full key once, so copy it now.

Creating an API key
2. Request a transcript
3. Read the response
A video with captions returns200 right away. Shortened:
AI transcription of a long video can take more than 25 seconds. Then you get
202 and a jobId
to poll. See Jobs and polling.Next
Supported links
Every link shape that works.
Captions or AI
Choose how the transcript is made.
MCP server
Give your agent the same API.