# Shopping Cart Application with good API

**URL:** <https://forum.kirupa.com/t/shopping-cart-application-with-good-api/258242>\
**Category:** random\
**Created:** [April 22, 2008, 12:16pm UTC](https://forum.kirupa.com/t/shopping-cart-application-with-good-api/258242 "2008-04-22T12:16:52Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Ayman](https://avatars.discourse-cdn.com/v4/letter/a/dec6dc/32.png) [@Ayman](https://forum.kirupa.com/u/Ayman)\
**Post date:** [April 22, 2008, 12:16pm UTC](https://forum.kirupa.com/t/shopping-cart-application-with-good-api/258242/1 "2008-04-22T12:16:52Z")

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Hi , I am looking for an ecommerce shopping cart system which would allow me to do these 2 basic things:

1. Call a function, that would add a product (using the product ID as a parameter) to the shopping cart of the current user.
2. Call a function, giving the product ID as a paramater, to know whether this product currently exists in the shopping cart (and how many instances of it).

Im sure such a thing is out there, I’m trying to search … but any of you used (or heard) or something like that?

I appreicate your help!