Plugin for Wordpress with 2Checkout integration

I need a WP shopping cart that integrates with 2Checkout but which allows customers to enter numerous custom field data (need customers URL/keywords/logo etc to fulfill their orders). My developer has had major issues as 2CO only seem to allow 1 custom field so not sure how we can gather all details at time of order. Anyone recommend a (preferably cheap) shopping cart that allows me to get full details from clients to fulfil their order at time of purchase?

Why not pass all the relevant info on that custom field?

On some products there are 10 fields that require information. My developer (who I think has only done easy Paypal integrations before) stated that the problem with one custom field is merchant_order_id is set to minimum 64 characters (not sure if that means anything to you)

why don't you do a double submission, send all the data to your server first then submit the payment form.

afzal said:

the problem with one custom field is merchant_order_id is set to minimum 64 characters (not sure if that means anything to you)

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Yes, in that case he can't do much.