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Welcome to WHMCSwiki, This is an official wiki site for WHMCS. 962 articles in English

Getting Started

• System Requirements
• Installing WHMCS
• Importing Data
• Licensing

Using WHMCS & Howto's

• Client Management
• Order Management
• Products Management
• Domains Management
• Transactions
• Invoicing
• Messages/Emails
• Support Center
• System Utilities
• Configuration
• Products and Services
• Servers
• Tax/VAT
• Administrators and Permissions
• Promotions
• Security/Ban Control

Customising WHMCS

• Linking to WHMCS
• Client Area Template Files
• Template Syntax
• Order Form Templates
• PDF Invoice
• Creating Pages
• Language Files
• Creating Modules
• Action Hooks

Modules

• Payment Gateways
• Server Modules
• Domain Registrars
• Fraud Protection
• Admin Modules
• Reports
• Other

API

• About
• Example Usage
• Functions

Contributions

Contribution page guidelines

• All contributions
  • Admin-side contributions
  • User-side contributions
  • Theme contributions
  • Official contributions (created by WHMCS developers)