Creating Modules

Modules allow you to create applications that extend the functionality of WHMCS.

Provisioning Modules

Provisioning Modules, also referred to as Product or Server Modules, allow you to create modules to allow for the provisioning and management of products & services.

• Provisioning Module Developer Docs
• Sample Provisioning Module (Hosted on Github)

Addon Modules

Addon Modules allow you to create modules and extensions that provide client and/or admin area output and that are not directly linked to individual products/services.

• Addon Module Developer Docs
• Sample Addon Module Code (Coming soon...)

Gateway Modules

Gateway Module allow you to connect WHMCS with additional payment and credit card processors for processing and capturing payments.

• Gateway Module Developer Docs
• Sample Third-Party Gateway Module
• Sample Merchant Gateway Module

Registrar Modules

Registrar Modules, also referred to as Domain Modules, allow you to create modules to allow for the registration and management of domains within WHMCS.

• Registrar Module Developer Docs
• Registrar Module Development Kit

For more information on developing with WHMCS, please refer to our Developer Resources page

Developer Resources
Provisioning Module Docs] | Gateway Module Docs] | Registrar Module Docs] | Addon Modules
Template Syntax | Database Interactions | Addon Modules | Creating Pages | Action Hooks] | API