Developer manual — LibreSign 13.4.9

This is the release-specific API contract for LibreSign 13.4.9 and Nextcloud 33.

The schema is pinned to an application commit on the corresponding stable branch. API calls and payloads available only in the development branch are not presented as features of this release.

For supported integration strategies, see the architecture decision guides; for executable API requests, use the release-specific email signer guide.