Following infos are available (click on info for the URL):

Info Current value Description
stable 4.4.4 Stable version.
stable_number 67372032 (0x04040400) Stable version, as number, like plugin API: info_get("version_number").
stable_date 2024-11-30 Date of stable version (format: "YYYY-MM-DD").
devel 4.5.0-dev Development version.
git 5e5278b6a38eb1ae0f080ab883a9b841973fe676 Output of "git rev-parse HEAD" for sources repository.
git_scripts 0fe640a7e3c3b4cbc35b5e69354e358067c4070f Output of "git rev-parse HEAD" for scripts repository.
next_stable 4.5.0 Next stable version.
next_stable_number 67436544 (0x04050000) Next stable version, as number, like plugin API: info_get("version_number").
next_stable_date 2024-12-15 Approximate date of next stable version (format: "YYYY-MM-DD").
release_signing_fingerprint A9AB5AB778FA5C3522FD0378F82F4B16DEC408F8 Release signing key fingerprint (format: PGP fingerprint).
release_signing_key (binary data) Release signing key (format: PGP public key).
debian_repository_signing_fingerprint 11E9DE8848F2B65222AA75B8D1820DB22A11534E Debian/Ubuntu repository signing key fingerprint (format: PGP fingerprint).
debian_repository_signing_key (binary data) Debian/Ubuntu repository signing key (format: PGP public key).
all stable:4.4.4
stable_number:67372032
stable_date:2024-11-30
devel:4.5.0-dev
git:5e5278b6a38eb1ae0f080ab883a9b841973fe676
git_scripts:0fe640a7e3c3b4cbc35b5e69354e358067c4070f
next_stable:4.5.0
next_stable_number:67436544
next_stable_date:2024-12-15
release_signing_fingerprint:A9AB5AB778FA5C3522FD0378F82F4B16DEC408F8
debian_repository_signing_fingerprint:11E9DE8848F2B65222AA75B8D1820DB22A11534E
All non-binary infos (one info by line, format: "info:value").

You can fetch these URLs from scripts or other sites.