For developers

Explainer videos from one API call.

Generate, edit and fetch narrated whiteboard videos from your own code, or hand the job to Claude, Cursor or any MCP client. The scene graph is plain JSON you can read, diff and change.

Get an API key Read the docs

Your first 2 videos are free. No card required.

Drawn live by the Chasca engine

What people make

Made for the way you already work.

Docs that explain themselves

Turn a README, an ADR or a changelog into a two-minute walkthrough that lives right next to the text.

Agents that make videos

Give Claude or Cursor the MCP server and ask for a video in plain words, right where you work.

Videos in your pipeline

Regenerate onboarding clips when a feature ships. Edit one scene through the API instead of re-rendering everything.

“POST a prompt, get back a scene graph and an MP4. Change one scene, pay for seconds.”

The whole API fits on one page.

Terminal

curl -X POST https://app.trychasca.com/api/v1/explainer \
  -H "Authorization: Bearer $CHASCA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "input": "Explain our retry policy for webhooks", "length": "1:00" }'

How it works

Three steps, about a minute.

1
Drop it in

A prompt, a document, a recording or a link.
2
Watch it draw

Script, scenes and narration in about a minute.
3
Fix a scene

Edit one scene in plain words. Only it re-renders.

Your next explainer takes under a minute.

Your first 2 videos are free, up to 1 minute each, watermarked. No card required. Full product, scene editor included.

Get started free See examples

Explainer videos from one API call.

Docs that explain themselves

Agents that make videos

Videos in your pipeline

Drop it in

Watch it draw

Fix a scene

Your next explainer takes under a minute.