Virtual Card Services (VCS) Pay is a payment profile gateway that allows you to accept credit card through the hosted page on VCS Web site. 

This gateway supports the following features:

• Purchase
• Purchase using gateway hosted page
• Payment notification
• Recurring payment

The following fields are required:

1. Terminal ID
2. MD5 Key
3. Username
4. Password

From your VCS virtual terminal, you need to configure under the Merchant Administration section:

• Do Auth Callback: Yes
• Set the Approved Callback URL & Declined Callback URL: The location of your instant payment notification handler using the URL address format below where <Site> is your domain name and<Number> is the site's assigned portal number usually "0" if you only have a single portal.
  
  http://<Site>/DesktopModules/Revindex.Dnn.RevindexStorefront/PaymentNotificationHandler.ashx?portalid=<Number>&rvdsfpaygw=VirtualCardServicesPay
   
• Callback Method: POST
• Response Format: Name Value Pairs

You also need to send a secret passphrase (your MD5 Key) to support@vcs.co.za to activate the security hash check and request enable live operation for your account.