Plugin Installation To install the plugin simply download the plugin from: https://github.com/ticaga/ticaga-whmcs Upload the zip  to the root of WHMCS and extract the zip, move the files from ticaga-whmcs-master , and this will place all the files in the correct locations. Afterwards head over to your WHMCS admin area, click on the spanner 🔧 in the top right and select System Settings . Click on Apps & Integrations and then Addon Modules . Click on Activate , then click on Configure : You can find your information for Ticaga here: https://your-ticaga-installation.com/settings/api-token or Your profile picture > Settings > Api Details. The Email is your Admin Email Address . The Token is your API Key . If you don't have one, click on Create a Token to generate a new one.