For example, with KeyHelp® 19.3, you can automate tasks, integrate KeyHelp® into your own billing software (such as the WHMCS interface), remotely control the server, or create a custom administrative interface which is connected with the KeyHelp® features.
New features in the new KeyHelp® release include the ability to put it into maintenance mode so that administrators can make changes in KeyHelp® undisturbed. New security measures to secure critical areas – such as the login area – have been implemented. In addition, an update of the certificate management was carried out, so that in den future Let's-Encrypt certificates can be obtained without problems. The language scope of KeyHelp® has been extended to onclude the Brazilian Portuguese language, so the software is now available in 9 languages.
A full documentation of all available API functions you can find here: https://app.swaggerhub.com/apis-docs/keyhelp/api/
Here you can always find news about KeyHelp: https://www.keyhelp.de/news/