Each contract version of the API is to be kept supported for a year when in use by a consumer. They will be retired 1 year after being superseded by a newer version or when all applications using it have switched before that date.

Name Version API YAML Release Date Planned Retire Date API Changes
Project API 1.3 Project YAML 11-Jun-2026 -- --
Document API 1.5 DocumentSearch YAML 11-Jun-2026 -- --
Comment Handling API 1.5 CommentHandling YAML 11-Jun-2026 -- --
Transmittal Upload API 1.2 TransmittalUpload YAML 05-Jan-2026 -- Multiple Transmittal Upload Functionality
1.1 11-Jun-2025 05-Jan-2027 --