WorldPay Response URL and Shopper Return for Thanks

Update May 2011 – This may be against terms and conditions. See Martin Brown’s comment below

It took a while to get my head around it, so here it is incase I need it again.

Integrating with WorldPay is not the simplest of tasks. The documentation is poor at best.

I was integrating by using a form on my site, which posts the order total and an order id etc to WorldPay. WorldPay then deal with taking the money from the user. What I couldn’t understand was how to get the user back to my site for thanks after they had paid.

Turns out it’s quite simple.

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