API V2

API V2 is now live: audio upload, custom avatars, backgrounds, and soundtracks.

See what Synthesia can do for you

API V2 is now live, and you can now directly create videos with the following features:

Audio upload
Custom avatars
Custom backgrounds
Custom soundtracks

Enterprise

Keep layouts looking polished for your translated videos

Translate videos without text overflow—translations adapt to each text box, and long strings scale down to keep your slides looking polished.

8/21/26

Improvement

Dub multiple videos at once with bulk dubbing uploads

Upload and dub up to 10 videos in one go—set languages and options once, then let every file process in the background.

8/21/26

Editor

More control in Create with AI

Set custom duration, aspect ratio, and visual references when generating B-roll videos and images.

8/19/26

See what works, borrow what’s brilliant, and connect with professionals like you.

Skip the trial and error. Move faster with extra hands and brains, anytime you need.

Join over 1M+ users today and start making AI videos with 240+ avatars in 160+ languages.