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| − | For developers, WHMCS has all the capabilities you might need to allow you to customize, integrate & extend the core system into your own website & applications.
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| − |    | + | <span class="title">Note</span><br />  | 
| − | __TOC__
  | + | This page has moved to [https://developers.whmcs.com/ https://developers.whmcs.com/]  | 
| − | ==Display Customisation==  | + | </div>  | 
| − |    |   | 
| − | These articles provide help & information with customising your WHMCS system.
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| − | *'''[[Template Syntax]]'''
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| − | *'''[[Client_Area_Template_Files|Client Area Templates]]'''
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| − | *'''[[Admin_Area_Template_Files|Admin Area Templates]]'''
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| − | *'''[[Order Form Templates]]'''
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| − | *'''[[PDF Invoice]]'''
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| − | *'''[[Language Files|Client Area Language Files]]'''
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| − | *'''[[Admin_Area#Multi-Language|Admin Area Language Files]]'''
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| − | ==Extending Functionality==  |   | 
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| − | These documents provide information on how to extend and integrate WHMCS with additional third party systems.
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| − | *'''[http://www.whmcs.com/members/dl.php?type=d&id=14 Module Development Kit]''' - guide & template for creating your own product/server provisioning modules
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| − | *'''[http://www.whmcs.com/members/dl.php?type=d&id=16 Registrar Development Kit]''' - guide & template for creating a domain registrar module
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| − | *'''[http://www.whmcs.com/members/dl.php?type=d&id=15 Gateway Development Kit]''' - guide & template for creating a payment gateway module
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| − | *'''[[Addon Modules]]''' - addon modules allow you to create both custom admin pages and hooks for additional functionality
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| − | *'''[[Creating Pages]]''' - demonstrates how to create custom pages for the client area
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| − | *'''[[Action Hooks]]''' - hooks allow you to run your own code when various events & actions occur inside WHMCS
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| − |    |   | 
| − | ==API==
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| − |    |   | 
| − | These API articles provide details about interfacing with the WHMCS API from your own custom code & applications:
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| − | *'''[[API|API Information]]''' - overview & setup info
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| − | *'''[[API:Internal_API|Internal API]]''' - details & example code for calling the WHMCS API locally from within WHMCS modules & files
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| − | *'''[[API:XML_Sample_Code|Example XML Method Code]]''' - sample PHP code for calling & interpreting the XML responses of the WHMCS API
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| − | *'''[[API:JSON_Sample_Code|Example JSON Method Code]]''' - sample PHP code for calling & interpreting JSON responses from the WHMCS API
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| − | *'''[[API:Functions|API Functions]]''' - individual documentation for all the functions of the API
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