Developer Resources

Jump to: navigation, search

Develop with the leading automation platform for web hosting providers.


Extend WHMCS functionality by creating a module.

Create a module
Code Samples (Github)


Tie into events as they occur inside WHMCS.

Hooks Overview
Hook Directory


Interact with WHMCS from custom code & third party applications.

API Overview Sample Code Function Directory Internal API


APIs for Authenticating with WHMCS

WHMCS Single Sign-On OpenID Connect

Reference Docs

The following articles are available for reference.

Internal Functions Interacting with the Database Creating Your Own Pages Language Files

Subscribe to our Developer Mailing List to receive news and information about upcoming
new releases and changes before they are released to the general public.