Changelog

• Dubbing API now available: automatically translate and re-voice video content into multiple target languages.
• Assets API added for managing uploaded files (video, image, audio) used as input for Dubbing and Video APIs.
• Assets API supports large file uploads via temporary AWS S3 credentials with multipart upload.
• See the step-by-step guide for end-to-end dubbing workflows.

Rate limits for Synthesia's APIs have been updated:

• List videos endpoint now accepts an optional query parameter for specifying the source of the video (either workspace, my_videos, or shared_with_me).
• List templates endpoint now accepts an optional query parameter for specifying the source of the template (either workspace, or synthesia).

• List videos & retrieve video responses and video.completed webhook payload now includes .srt / .vtt captions download URLs.
• New webhook event "video.failed" has been introduced.
• List videos & retrieve video responses and video.completed webhook payload now includes thumbnail download URL.
• List videos endpoint response will include all videos with at least 1 generated version, regardless of whether or not the current version is a draft.
• List templates endpoint response now includes both custom and stock templates.
• List videos endpoint response now includes videos from both Workspace and My videos.

Synthesia APIs are no longer in Beta and are generally available for Creator and Enterprise Synthesia plans.