Zendesk For WHMCS rests on close integration of Zendesk into your WHMCS so as to equip it with new quality features for management of support tickets. With this module, your customers will enjoy benefits of the widely respected customer service solution without ever stepping out of your comfy client area!

The WHMCS built-in support system will be cleverly replaced with the Zendesk tool suite, in such a way that its look and feel will remain untouched in essence. The focal change lies in the extended variety of possibilities offered to your clients, empowered by the module to fill in Zendesk ticket fields or even use emojis in messages – everything straight on your website. At the same time, you and your support teams will be welcome to view, answer and manage all the tickets, including the WHMCS ones, directly from the Zendesk admin area. No less worthy of note is the module's compatibility with the Zendesk's Multibrand feature, leaving you the choice as to which brand from those available in Zendesk should be connected with your WHMCS.

Gain unshakable trust of your audience by ensuring each of their needs is diligently taken care of. Order Zendesk For WHMCS yet today and become a mastermind in the realm of a brilliant customer service!

Check out also our free WHMCS Widget For Zendesk by means of which you can preview the details of every customer, along with their products, domains and due invoices. For more information, visit our Wiki.


  • Client Area
    • View Zendesk Departments
    • Open New Ticket In Chosen Department
    • Open New Ticket From "Contact Us" Form
    • Manage Existing Tickets
    • Fill In Zendesk Ticket Fields
    • Select Related Service
    • Attach Files To Ticket
    • List Recent Tickets
  • Admin Area
    • Configure And Test Server Connection
    • Toggle SSL Connection
    • Select Zendesk Brand
    • Choose Available Support Departments
    • Choose Default Department For Exported Tickets
    • Choose Department For "Contact Us" Tickets Opened By Visitors
    • Define Client Service Field
    • Manually Export To Zendesk:
      • WHMCS Clients
      • WHMCS Tickets
    • Check Status Of Exported Clients
    • Define Module Behavior:
      • Show Solved Tickets
      • Define Order Of Replies
      • Allow Shared Login Redirection
      • Update Client Credentials
    • Define Ticket Status Colors
    • View Logs
  • Integration
    • Single Sign On (SSO) Integration
    • Automatically Export To Zendesk:
      • New Tickets
      • Clients On Tickets Creation
    • Synchronize Ticket Responses Between WHMCS And Zendesk
    • Transfer Ticket Fields Settings
    • Transfer Attachments Settings
    • Convert Markdowns To HTML And Emojis
  • General Info
    • Supports Zendesk Multibrand Feature
    • Supports Zendesk Emoji - Artworks Provided By EmojiOne
    • Custom Templates Support
    • Multi-Language Support
    • Supports PHP 5.6 Up To PHP 7.3
    • Supports WHMCS Template Six
    • Supports WHMCS V7.5 And Later
    • Easy Module Upgrade To Open Source Version
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v2.1.3 Released: Jul 8th, 2019
Bug Fix
  • Resolved problem with creating a ticket in case the "Priority" ticket field has been edited in Zendesk panel - case #161
  • Corrected support for PHP 7.3
v2.1.2 Released: May 16th, 2019
  • Support for WHMCS V7.4 and previous
Bug Fix
  • Fixed problems related to the cache that might have caused the tickets and departments to disappear - case #152
  • Zendesk fields with "Agent Only" flag will no longer be visible in the ticket view to clients - case #154
  • Corrected loading of assets on custom templates if the default template "six" was removed from WHMCS - case #158
  • Fixed case of the tickets counter always displaying "0" value if the "Recent Support Tickets" widget was hidden from the client's dashboard on a custom template - case #159
v2.1.1 Released: Jan 25th, 2019
New Feature
  • WHMCS V7.7 and PHP 7.3 support
  • Support for WHMCS V7.3 and previous
Bug Fix
  • Markdown used for embedding images in the support panel will be now correctly formatted in the client area ticket view - case #151
  • Resolved issue with tickets fetching if the client has more than one hundred of them - case #153
v2.1.0 Released: Sep 19th, 2018
New Feature
  • "Contact Us" form support - select a Zendesk department to which tickets submitted by visitors will be assigned
  • Statuses of exported tickets in Zendesk will now correspond with their statuses in WHMCS
  • "Related Service" dropdown list will be now sorted alphabetically and organized in product groups
  • The connection test no longer requires server settings to be saved first
  • Added "mailto:" link to emails on the users export list
  • "Client Services" dropdown in the "Ticket Settings" section will no longer display inactive fields
  • Extended logs to include more information
  • Support for WHMCS V7.1 and previous
Bug Fix
  • Resolved lack of full content in exported tickets that were previously merged
  • Refreshing ticket after sending a reply will no longer result in resending the same message again
  • Assorted minor corrections
v2.0.4 Released: Jul 31st, 2018
Bug Fix
  • Corrected 'Shared Login Redirection' option which worked when disabled basing on a corrupted toggle - case #134
  • Resolved issue with tickets being always exported with the 'Open' status - case #133
  • Solved problem that caused the apostrophe characters being incorrectly displayed as '
v2.0.3 Released: Jul 5th, 2018
Bug Fix
  • Eliminated issues related to PHP 7.2 that might have affected e.g. single sign on integration
  • Resolved problem with opening the attachment with a space in the name - case #129
  • Corrected display of tickets in the client area when their number exceeds hundred - case #131
v2.0.2 Released: Apr 24th, 2018
Bug Fix
  • Resolved security issue providing customers with the access to tickets they do not own
v2.0.1 Released: Apr 11th, 2018
New Feature
  • WHMCS V7.5 support
  • PHP 7.1 and 7.2 support
v2.0.0 Released: Feb 21st, 2018
  • Completely rewritten code
  • Rebuilt addon module user interface
  • If only one department is available, it will be automatically selected when opening a new ticket
  • Export lists now include hyperlinks to client profiles and tickets
  • Assorted language adjustments
New Feature
  • Support for emoji (emoticons) in tickets view
  • Choose a department for exported tickets
  • Set the 'Client Services' custom field to display a client's service in a ticket in the Zendesk panel
  • 'Logs' section to monitor module actions and API responses
v1.7.1 Released: Aug 7th, 2017
  • Code adjustments to increase the speed of data exporting
Bug Fix
  • Resolved issue that might cause errors during the upgrade process
  • Configuration of default department is now saving properly
  • Solved issue with displaying private notes of other administrators
v1.7.0 Released: Jun 14th, 2017
New Feature
  • Support for Zendesk Multibrand feature
  • Minor code refinements
v1.6.2 Released: Mar 10th, 2017
Bug Fix
  • Adjusted charset processing to correct encoding of apostrophes
  • Resolved problem of not displaying tickets for client's contacts
v1.6.1 Released: Jan 5th, 2017
  • Enhanced Multi-Language support
Bug Fix
  • Log in to Zendesk using WHMCS credentials
v1.6.0 Released: Dec 14th, 2016
New Feature
  • Export WHMCS clients' accounts which existed prior to module installation
  • Export WHMCS tickets created prior to module installation
  • UI tweaks
v1.5.4 Released: Oct 31st, 2016
New Feature
  • PHP 7 support
v1.5.3 Released: Oct 13th, 2016
New Feature
  • WHMCS V7 support
Bug Fix
  • Minor code refinements
v1.5.2 Released: Sep 26th, 2016
New Feature
  • Define available support departments
v1.5.1 Released: Jun 7th, 2016
Bug Fix
  • Parse response from Zendesk API
  • Display error if new Zendesk user account cannot be created
  • SSO to the Zendesk panel
  • Prevent strict standard from occurring
  • Prevent from displaying tickets if user is logged out
v1.5.0 Released: Nov 25th, 2015
New Feature
  • Compatibility with Zendesk markdowns
  • Test server connection
  • Support for data type custom field
  • Module configuration moved from file to Zendesk addon module
  • Extended multi-language support
  • Hide ability to add attachment if attachments are disabled on Zendesk server
v1.0.6 Released: Oct 20th, 2015
Bug Fix
  • Ticket labels coloured according to status
  • Minor tweaks
v1.0.5 Released: Aug 28th, 2015
New Feature
  • WHMCS V6 support
Bug Fix
  • Minor tweaks and improvements
v1.0.4 Released: Aug 29th, 2014
  • Improved security and license validation
v1.0.3 Released: Feb 11th, 2014
  • Applied Changes To API Requests
  • Added API Requests Logging
  • Added Option To Display Ticket Replies By Date Descending
  • Applied Corrections To Knowledgebase Suggestions Script
v1.0.2 Released: May 21st, 2013
  • Customer's contacts (sub-accounts) treated as separate Zendesk users
  • Allowed customer to see contact's (sub-accounts) tickets
  • Added option to disable SSL verification host/peer in curl
  • Corrected homepage tickets hook to work with WHMCS V5.2.4 and later
v1.0.1 Released: Apr 2nd, 2013
  • Support for WHMCS V5.2
  • Fixed refreshing of ticket status after client's reply
  • Fixed showing returned error message instead of global error message when unable to set ticket as solved
  • Removed @session_start(); from the beginning of the loginshare.php file to work with WHMCS V5.2 and later
v1.0.0 Released: Feb 25th, 2013
  • Initial Release
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