In this tutorial, we will show you how to activate the WhatsApp API in your WHMCS administrative panel.

Log in to your WHMCS panel and follow the step-by-step guide below:

1 - In the top menu, go to "Settings" and click on "Options":

Note that this step may be different in some WHMCS versions

2 - When the options menu opens, click on "Addon Modules":

3 - Look for "WhatsApp API" and click the "Activate" button:

4 - After activating, click the "Configure" button. The WhatsApp API Addon configuration menu will be displayed.

There are 3 important options you need to fill in:

• Connection URL
• License Number
• Instance ID

You can find this information in your client area, by going to: "Services" > "WhatsApp API" > "Manage" > "Sessions".

After filling in the settings, click Save, and the module will be active.