payment gateway and perl carts

[bazz]

Hi,

I am in the middle of building my first shopping cart as part of a reservations program.

I have reached the stage where the next script to be built requires the customers details and I need that to be a secure page. Reading up on payment gateways, the main ones seem to require the use of an established shopping cart but, I don't see one that is even close to fulfiling my needs.

I had thought that all I would need from a payemtn gateway would be the secure input of customer and card details to the gateway and then, the return to a confirmation page, in my site where I could confirm to the customer the details of the transaction together with possibly, a transaction code.

Question:
Have any of you experience of a good perl-driven shopping cart that is used widely by payment gateways?

I have considered using paypal (not because it's perl coz I doubt that it is), but others, such as protx, do not charge for transactions (below a certain volume) and instead levy a fixed fee, which on my maths, makes for more cost efficiencies. :)

any help of tips you may offer are as ever, most welcome.

bazz