I have an opencart shopping cart that will be selling downloadable MP3s and I need to integrate Zombaio payment processing in the form of a module. The API documentation can be found here:
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Since this site will not be subscription based and will not use preset 'credit' amounts, the 'DynAmount_Value' and 'DynAmount_Hash' variables must be used. There will be no recurring charges of any kind. Video clips will be purchased cart-style like any other store.