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A remote shopping cart must be created the first time a customer decides to add an item to a shopping cart. Once the cart is created, it is reused and modified appropriately until it expires. Only one local cart can be created and only one cart per customer per vendor should be created.
Typically, an HTML button labeled, for example, Add to Cart, implements a
request, which includes:
At least one item to add to the cart.
You cannot create an empty cart.
value gives the Associate credit for the customer's purchase.
Example Creating a Cart
The following request creates a cart that will be merged with the customer's cart when the customer uses
http://webservices.amazon.com/onca/xml? Service=AWSECommerceService& AWSAccessKeyId=
[AWS Access Key ID]& AssociateTag=
CartCreate& Item.1.OfferListingId=B000062TU1& Item.1.Quantity=2 &Timestamp=[YYYY-MM-DDThh:mm:ssZ] &Signature=[Request Signature]
In this example, two of the same item (Quantity=2) whose ASIN is B000062TU1 are
added to the newly created (Operation=
shopping cart. The Associate specified will receive a referral fee if the customer
purchases the item.
In the lifespan of a shopping cart,
can be used only once. If you call
a second time, you create a new shopping cart. We recommend that you only create
one cart per customer.