This is the full documentation of the [REST API](https://book.orthanc-server.com/users/rest.html) of Orthanc.<p>This reference is automatically generated from the source code of Orthanc. A [shorter cheat sheet](https://book.orthanc-server.com/users/rest-cheatsheet.html) is part of the Orthanc Book.<p>An earlier, manually crafted version from August 2019, is [still available](2019-08-orthanc-openapi.html), but is not up-to-date anymore ([source](https://groups.google.com/g/orthanc-users/c/NUiJTEICSl8/m/xKeqMrbqAAAJ)).
Last checked Sep 4, 2026 · uptime 24h 100% / 7d 100% / 30d 100%
Excellent production-readiness signals.