FastVideo / H3 playground API reference

Text to video + audio

A new prompt. The same running server.

Generate, watch, and refine. This page and your API clients share one running FastVideo server.

Connecting to server… Reading model…

Create a video

Describe the scene, motion, and sound you want.

Keep it fixed while changing the prompt.

Resolution and sampling come from the server configuration.

Closing this page does not cancel a job.

Use this prompt with cURL

This creates the same job from a terminal on this machine. Copying does not submit it.

Result

No job yet

Your video will appear here

Write a prompt, then select Generate video.

No generation starts until you submit a prompt.

Recent jobs

Shared with other clients. Job history clears when the server restarts.

    Loading recent jobs…