Where can I find the documentation for the REST API? Eva Eberhardt August 22, 2021 12:48 Updated The documentation for the REST API is included with the xentral installation. You can find it in the directory www/api/docs.html. Alternatively, you can find it at https://update.xentral.biz/apidoc/docs203.html. You can find more information in our manual: Xentral-API API Dokumentation 0 comments Article is closed for comments.