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
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Visit the Releases page of our GitHub project:
https://github.com/OpusDNS/opusdns-whmcs-registrar/releases -
Download the latest plugin release "opusdns-whmcs.zip" as a ZIP file by clicking on it.

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Extract the ZIP file on your local machine.
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Upload the modules folder to your WHMCS root directory.
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The module files should be located at:
<whmcs_root>/modules/registrars/opusdns/
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2. Activate the Module
To activate the OpusDNS registrar module:
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Go to Setup > Products/Services > Domain Registrars in WHMCS.
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Locate OpusDNS in the list.
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Click Activate.
3. Configure the Module
To use this plugin, you first need to generate an OpusDNS API key. This process will provide you with a Client ID and Client Secret.
After generating these credentials, you can configure the module following activation:
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Enter your Client ID.
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Enter your Client Secret.
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Check Test Mode if you want to use the sandbox environment.
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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 for instructions on using the OpusDNS WHMCS Plugin.