How can I obtain information about developing software that is integrated with WHM ?
To create a piece of software that interacts with WHM, to add an icon for your software inside of cPanel, or to get information from cPanel/WHM, you can use our Plugins system along with our XML API.
We offer API documentation here. We recommend using the XML API in conjunction with API2 to make cPanel calls.
You can also create cPAddon scripts which allow customers to download your software to their server and then domain owners can install it from the cPanel interface section Site Software. Documentation for this type of integration is available here.
For more information about interacting with cPanel/WHM as a developer, read through our Developer Resources.