Creating Modules

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

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

Provisioning (Server) 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 within WHMCS.

• 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