API to interface with WHM for creation/suspension?

[housefire]

Im working on coding a billing system for internal use, and am hoping to enable the system to create/suspend whm accounts via some sort of api.

I am coding in php.

Does anyone have any suggestions or places to point me?

[Infopro]

5th section down the left side of page.
http://www.cpanel.net/support/docs/index.htm

Or more precisly, this section.
http://www.cpanel.net/plugins/devel/cpacct.html

I think.