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Web Hosting Automation Made Easy

WHMCS (Web Host Manager Complete Solution) is an all-in-one domain provisioning, client management, billing/invoicing, and client support solution for any business selling through a website. WHMCS has become the World Leader in this market. By coupling WHMCS with one of CentralNic Brand’s Registrar Module - namely HEXONET, CentralNic Reseller, and TPP WholeSale, anyone can start reselling hundreds of profitable domain name extensions (TLDs) quickly and in ease.

WHMCS allows to send high quality professional looking invoices to customers with its billing functionality. This functionality is no obstacle when it comes to deal with different currencies and tax support. It combines a lot other great features such as automated reminders for unpaid invoices, setting up late fees rules, supporting several payment gateways and many more.

WHMCS can be accessed using two APIs - an Internal API and an External API. Thus, it allows users flexible ways to perform all necessary Operations. Regarding Domain Registrars, WHMCS comes with a regularly triggered Domain Synchronization Process that cares about keeping the Status and the Expiry Date of a Domain in Sync with the underlying Registrar’s System by invoking the Registrar’s Module Integration for this Process. 50 Domains are covered per run and only Domains in Status Pending Transfer and Active are considered.

If you have not yet WHMCS set up, please follow their Installation Guide which explains the Installation Process completely and well. System Requirements can be found here - there you’ll also find notes about the support of specific platforms like Windows. You should be aware of all that.


  • Save Time - WHMCS takes care of automating things so you don’t have to, saving you valuable time and money.
  • Automate Billing - Sending invoices, collecting payments, taxes, reminders and more are all a thing of the past with WHMCS.
  • Web & Domains - Integrated with all the leading web hosting control panels and domain registrars for automatic provisioning and management.
  • Support Tools - Integrated support tools give you a client portal complete with ticketing, knowledgebase, downloads and more.
  • Developer Friendly - Modular, extensible, well documented API’s and ORM all make developing with and customising WHMCS easy.
  • Secure & Scalable - WHMCS is a secure, dependable and scalable solution designed for businesses of all sizes and backed by an awesome support team.

CentralNic Brands

Find further information here and some notes about the WHMCS Integrations below:


The Team at HEXONET is the WHMCS Lead in the Team Internet Group and maintains its own version of the HEXONET Registrar Module (aka. ISPAPI) which should be used instead of the WHMCS built-in Module. As we maintain this module, we can ensure that it covers the latest Patches and supports all WHMCS Features. In addition we offer a shorter Release Cycle than the one of WHMCS itself. This allows us to immediately work on Patches or new Features and to release independently of WHMCS.

HEXONET offers additional Provisioning Modules for WHMCS that allow for reselling of further Products like SSL Certs, DNS, and Domain Backorders. Also, we have Add-Ons and Widgets in our Portfolio which can be flexibly combined with each other and which offer a certain added value. Like Importing Domains, Module Version Overview etc.

Our Reputation is speaking - just check the WHMCS Community Board e.g. here.

We are doing our best to push your business to satisfaction. We don’t care about your number of domains - customer is king!

CentralNic Reseller / Key-Systems

CentralNic Reseller is one of the leading reseller platforms worldwide for domains and internet related services. CentralNic Reseller’s products are designed for resale and can be easily integrated into retail systems through various API gateways and web interfaces. Customer management is easy through an advanced subreseller system, an SMS tool and an integrated billing engine.

The Team at HEXONET also maintains its own version of the CentralNic Reseller Registrar Module (aka. Key-Systems) which should be used instead of the WHMCS built-in Module. The above information applies also here, except the availability of additional Modules and Widgets.

The CentralNic Reseller Registrar Module does not support Premium Domain Names right now, use the HEXONET one instead.

TPP WholeSale

The TPP WholeSale Registrar Module is shipped with WHMCS. The Team at TPP maintains its own version of this Registrar Module which should be used instead of the WHMCS built-in Module. Find it here.


PartnerGate is a specialist for domain management on a global scale. PartnerGate is selected by wholesale clients as their premium professional internet partner. With PartnerGate’s domain management system, resellers of all sizes can administer and manage domains under all available top-level domains in a fully automated manner.

The Team at PartnerGate has its custom Registrar Module for WHMCS. Contact their Support to receive it “as it is”, compatibel wit WHMCS < v7.0. markets domain reseller services to the professional internet services segment, such as hosting and web design companies. It provides a range of popular domain extensions at highly competitive prices. Target customers typically require “trade” pricing and sophisticated tools for managing large domain name portfolios on behalf of third parties.

The Team at maintains its own version of the Registrar Module (aka ibs) which should be used instead of the WHMCS built-in Module. Find it here.


Instra focuses on resellers and self-serve mid-cap corporate customers. It provides a full suite of domain extensions as well as corporate focused business products such as Domain Trustee services, dedicated account management and expert support.

The instra Registrar Module for WHMCS can be obtained from the instra team.

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