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

Improvement

Bring sound to your animations

Add preset sound effects to entrance and exit animations.

5/7/26

Improvement

Correct dubbing transcripts seamlessly

Edit original and translated dubbing transcripts without validation blockers, with audit logging for traceability.

5/6/26

Improvement

Share avatar outfits and spaces

Share customizable Avatar outfits and Spaces with your teammates—or your whole workspace.

5/5/26

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.