--- title: How do I install the OpusDNS WHMCS domain plugin? description: Step-by-step guide to installing, activating, and configuring the OpusDNS WHMCS Plugin, allowing you to manage your domains directly from the WHMCS interface. --- [Skip to content](https://help.opusdns.com/how-do-i-install-the-opusdns-whmcs-domain-plugin#main-content) - [English](https://help.opusdns.com/how-do-i-install-the-opusdns-whmcs-domain-plugin) - [Deutsch](https://help.opusdns.com/de/how-do-i-install-the-opusdns-whmcs-domain-plugin-0) English Show submenu for translations [![opusdns.com](https://help.opusdns.com/hs-fs/hubfs/v2-Status%20Center.png?width=180&height=51&name=v2-Status%20Center.png)](https://help.opusdns.com/?hsLang=en) Open main navigation Close main navigation - - [English](https://help.opusdns.com/how-do-i-install-the-opusdns-whmcs-domain-plugin) - [Deutsch](https://help.opusdns.com/de/how-do-i-install-the-opusdns-whmcs-domain-plugin-0) English Show submenu for translations - [Submit Ticket](https://support.opusdns.com/) [Submit Ticket](https://support.opusdns.com/?hsLang=en) How can we help? - There are no suggestions because the search field is empty. 1. [OpusDNS Knowledgebase](https://help.opusdns.com/?hsLang=en) 2. [Services & Features](https://help.opusdns.com/services-features?hsLang=en) 3. [WHMCS Integration](https://help.opusdns.com/services-features?hsLang=en#whmcs-integration) June 15, 2026 # How do I install the OpusDNS WHMCS domain plugin? The **OpusDNS WHMCS Plugin** allows you to manage domains directly from your WHMCS interface. This article provides a step-by-step guide for **installing, activating, and configuring** the plugin. ### 1\. Download the Plugin 1. Visit the **Releases page** of our GitHub project: [https://github.com/OpusDNS/opusdns-whmcs-registrar/releases](https://github.com/OpusDNS/opusdns-whmcs-registrar/releases) 2. Download the **latest plugin release** "**opusdns-whmcs.zip**" as a ZIP file by clicking on it. ![Screenshot 2026-02-06 at 13.34.25](https://help.opusdns.com/hs-fs/hubfs/Screenshot%202026-02-06%20at%2013.34.25.png?width=670&height=1263&name=Screenshot%202026-02-06%20at%2013.34.25.png) 3. Extract the ZIP file on your local machine. 4. Upload the **modules** folder to your **WHMCS root directory**. - The module files should be located at: `/modules/registrars/opusdns/` ### 2. Activate the Module To activate the **OpusDNS registrar module**: 1. Go to **Setup \> Products/Services \> Domain Registrars** in WHMCS. 2. Locate **OpusDNS** in the list. 3. Click **Activate**. ### 3\. Configure the Module To use this plugin, you first need to [generate an OpusDNS API key](https://help.opusdns.com/how-do-i-generate-an-api-key-to-use-the-opusdns-api?hsLang=en). This process will provide you with a **Client ID** and **Client Secret**. After generating these credentials, you can **configure the module** following activation: 1. Enter your **Client ID**. 2. Enter your **Client Secret**. 3. Check **Test Mode** if you want to use the sandbox environment. 4. Click **Save Changes**. The module is now installed, activated, and ready to use. You can now register, manage, and configure domains directly via WHMCS. Click [here](https://help.opusdns.com/how-does-the-opusdns-whmcs-plugin-work-complete-guide?hsLang=en) for instructions on using the OpusDNS WHMCS Plugin.     [![Knowledge Banner\_ WHMCS Dark](https://help.opusdns.com/hs-fs/hubfs/Knowledge%20Banner_%20WHMCS%20Dark.jpg?width=670&height=174&name=Knowledge%20Banner_%20WHMCS%20Dark.jpg)](https://github.com/OpusDNS/opusdns-whmcs-registrar) - [Create your OpusDNS account](https://help.opusdns.com/create-your-opusdns-account?hsLang=en#main-content) - [Open Your Account](https://help.opusdns.com/create-your-opusdns-account?hsLang=en#open-your-account) - [FAQ](https://help.opusdns.com/create-your-opusdns-account?hsLang=en#faq) - [Getting Help with your Registration](https://help.opusdns.com/create-your-opusdns-account?hsLang=en#getting-help-with-your-registration) - [OpusDNS API](https://help.opusdns.com/opusdns-api?hsLang=en#main-content) - [Getting Started with the API](https://help.opusdns.com/opusdns-api?hsLang=en#getting-started-with-the-api) - [Sandbox Environment](https://help.opusdns.com/opusdns-api?hsLang=en#sandbox-environment) - [OpusDNS MCP Server](https://help.opusdns.com/opusdns-api?hsLang=en#opusdns-mcp-server) - [FAQ](https://help.opusdns.com/opusdns-api?hsLang=en#faq) - [Getting Help with the OpusDNS API](https://help.opusdns.com/opusdns-api?hsLang=en#getting-help-with-the-opusdns-api) - [OpusDNS Dashboard](https://help.opusdns.com/opusdns-dashboard?hsLang=en#main-content) - [Getting Started](https://help.opusdns.com/opusdns-dashboard?hsLang=en#getting-started) - [Plans & Pricing](https://help.opusdns.com/opusdns-dashboard?hsLang=en#plans-pricing) - [Billing & Payments](https://help.opusdns.com/opusdns-dashboard?hsLang=en#billing-payments) - [User & Organization Management](https://help.opusdns.com/opusdns-dashboard?hsLang=en#user-organization-management) - [Whitelabeling](https://help.opusdns.com/opusdns-dashboard?hsLang=en#whitelabeling) - [Account & Settings](https://help.opusdns.com/opusdns-dashboard?hsLang=en#account-settings) - [Security](https://help.opusdns.com/opusdns-dashboard?hsLang=en#security) - [Managing Contacts](https://help.opusdns.com/opusdns-dashboard?hsLang=en#managing-contacts) - [Managing DNS Zones & Nameservers](https://help.opusdns.com/opusdns-dashboard?hsLang=en#managing-dns-zones-nameservers) - [Register & Transfer Domains](https://help.opusdns.com/opusdns-dashboard?hsLang=en#register-transfer-domains) - [Managing Domains](https://help.opusdns.com/opusdns-dashboard?hsLang=en#managing-domains) - [Bulk Jobs](https://help.opusdns.com/opusdns-dashboard?hsLang=en#bulk-jobs) - [Developer Area](https://help.opusdns.com/opusdns-dashboard?hsLang=en#developer-area) - [Dashboard Functionality](https://help.opusdns.com/opusdns-dashboard?hsLang=en#dashboard-functionality) - [Dashboard home page](https://help.opusdns.com/opusdns-dashboard?hsLang=en#dashboard-home-page) - [Services & Features](https://help.opusdns.com/services-features?hsLang=en#main-content) - [Domain forwarding](https://help.opusdns.com/services-features?hsLang=en#domain-forwarding) - [Email forwarding](https://help.opusdns.com/services-features?hsLang=en#email-forwarding) - [Reports](https://help.opusdns.com/services-features?hsLang=en#reports) - [Domain parking](https://help.opusdns.com/services-features?hsLang=en#domain-parking) - [WHMCS Integration](https://help.opusdns.com/services-features?hsLang=en#whmcs-integration) - [Hostware Integration](https://help.opusdns.com/services-features?hsLang=en#hostware-integration) - [Terraform Integration](https://help.opusdns.com/services-features?hsLang=en#terraform-integration) - [GO Integraton](https://help.opusdns.com/services-features?hsLang=en#go-integraton) - [Certificate Management with ACME and OpusDNS](https://help.opusdns.com/services-features?hsLang=en#certificate-management-with-acme-and-opusdns) - [New to the Domain Industry?](https://help.opusdns.com/new-to-the-domain-industry?hsLang=en#main-content) - [Everything about Domains](https://help.opusdns.com/new-to-the-domain-industry?hsLang=en#everything-about-domains) - [Domain Industry](https://help.opusdns.com/new-to-the-domain-industry?hsLang=en#domain-industry) - [Reseller Essentials](https://help.opusdns.com/new-to-the-domain-industry?hsLang=en#reseller-essentials) - [TLD information](https://help.opusdns.com/tld-information?hsLang=en) - [OpusDNS Homepage](https://www.opusdns.com/) - [Legal Notice](https://www.opusdns.com/legal/notice-impressum) - [Privacy Policy](https://www.opusdns.com/legal/privacy-policy) - [Terms & Conditions](https://www.opusdns.com/legal/terms-conditions) [![OpusDNS Homepage](https://help.opusdns.com/hubfs/6722ae7333e645c8919a4751_opusDNS-VT-3c-white-tagline.svg "OpusDNS Homepage")](https://www.opusdns.com/) ©2025 OpusDNS GmbH. 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