WHMCS Plugin Integration

Installation Steps

1. Get Plugin Files

   After successful onboarding with Onepay, you will receive a ZIP file containing the plugin files

2. Extract Files

   Unzip the file contents on your computer

3. Install Gateway Module

   On your WHMCS server:

   • Navigate to modules/gateways directory
   • Copy the onepay folder and onepay.php file from the extracted ZIP
   • Paste them into the gateways directory

4. Install Callback Handler

   Still on your WHMCS server:

   • Navigate to gateways/callback directory
   • Copy the onepay.php file from the callback folder in the ZIP
   • Paste it into the callback directory

5. Configure Plugin Settings

   In your WHMCS admin panel:

   • Locate Onepay in the payment gateways section
   • Copy your App ID from the merchant portal
   • Copy your App Token from the merchant portal
   • Copy your Hash Salt from the merchant portal
   • Paste these values in their respective fields
   • Click Save to apply your changes

Video Tutorial