In order for your website with us to integrate with WorldPay, you need to:-

1) Sign up for a WorldPay account

2) Once signed up, go to the "Settings" section in your WorldPay online login, then go to the "API Keys" section

3) Here there should be two keys; "Client Key" and "Service Key"

4) These details need to be pasted into your website manager with us. To do this, go to the "Settings" section in your website manager, then "Shop Settings", and then "Payment Provider". On this screen select WorldPay as your payment service provider and copy & paste in your Client Key and Service Key from WorldPay