The CartSimilarities response group returns a list of items that:
Are similar to the item specified in the operation. These results are tagged with <SimilarProducts> and <SimilarProduct>.These results are displayed on the retail website under the heading, "Customers who bought this [item] also bought."
Have been viewed by customers who also viewed the the item specified in the operation. These results are tagged with <SimilarViewedProducts> and <SimilarViewedProduct>. These results are displayed on the retail website under the heading, "Customers who viewed this [item] also viewed"
Can be found in other categories that are similar to the item specified in the operation. These results are tagged with <OtherCategoriesSimilarProducts> and <OtherCategoriesSimilarProduct>. These results are displayed on the retail website under the heading, "Explore Similar Items," which falls under the heading, "Customers who bought this [item] also bought."
Sample Response (REST)
<?xml version="1.0" encoding="UTF-8"?>
<CartCreateResponse xmlns="http://webservices.amazon.com/AWSECommerceService/2007-01-17">
<OperationRequest>
<HTTPHeaders>
<Header Name="UserAgent" Value="Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"/>
</HTTPHeaders>
<RequestId>1RWM6VJ6DN9VN5ZBD8YA</RequestId>
<Arguments>
<Argument Name="Item.3.Quantity" Value="1"/>
<Argument Name="Service" Value="AWSECommerceService"/>
<Argument Name="Item.3.ASIN" Value="0679758941"/>
<Argument Name="AssociateTag" Value="[Your Associate ID Here]"/>
<Argument Name="Item.1.ASIN" Value="0060006781"/>
<Argument Name="Item.2.Quantity" Value="1"/>
<Argument Name="AWSAccessKeyId" Value="[Your Access Key ID Here]"/>
<Argument Name="Item.2.ASIN" Value="0140264450"/>
<Argument Name="Item.1.Quantity" Value="1"/>
<Argument Name="ResponseGroup" Value="CartSimilarities"/>
<Argument Name="Operation" Value="CartCreate"/>
</Arguments>
</OperationRequest>
<Cart>
<Request>
<IsValid>True</IsValid>
</Request>
<SimilarProducts>
<SimilarProduct>
<ASIN>0679766693</ASIN>
<Title>The Way of the World : From the Dawn of Civilizations to the Eve of the Twenty-first Century</Title>
</SimilarProduct>
<SimilarProduct>
<ASIN>0192860925</ASIN>
<Title>The Selfish Gene</Title>
</SimilarProduct>
<SimilarProduct>
<ASIN>0060932902</ASIN>
<Title>Genome</Title>
</SimilarProduct>
<SimilarProduct>
<ASIN>0618335404</ASIN>
<Title>A Devil's Chaplain: Reflections on Hope, Lies, Science and Love</Title>
</SimilarProduct>
<SimilarProduct>
<ASIN>0060556579</ASIN>
<Title>The Red Queen : Sex and the Evolution of Human Nature</Title>
</SimilarProduct>
</SimilarProducts>
<SimilarViewedProducts>
<SimilarViewedProduct>
<ASIN>B00009U0XI</ASIN>
<Title>Canon PSC-60 Soft Camera Case for Canon Powershot A95, A85, A80, A70, A60, A40, A20 and A10</Title>
</SimilarViewedProduct>
<SimilarViewedProduct>
<ASIN>B0001G6U5M</ASIN>
<Title>Canon PowerShot S410 4MP Digital Elph with 3x Optical Zoom</Title>
</SimilarViewedProduct>
</SimilarViewedProducts>
<OtherCategoriesSimilarProducts>
- <OtherCategoriesSimilarProduct>
<ASIN>B0000CD08M</ASIN>
<Title>SanDisk SDCFH-512-901 512 MB Ultra II CompactFlash Card</Title>
</OtherCategoriesSimilarProduct>
- <OtherCategoriesSimilarProduct>
<ASIN>B00006B9QF</ASIN>
<Title>SanDisk 512MB CompactFlash Memory Card</Title>
</OtherCategoriesSimilarProduct>
</OtherCategoriesSimilarProducts>
</Cart>
</CartCreateResponse>
The Request that Generated the Response (REST)
http://webservices.amazon.com/onca/xml?Service=AWSECommerceService
&AWSAccessKeyId=[Your Access Key ID Here]
&AssociateTag=[Your Associate ID Here]
&Operation=CartCreate
&Item.1.ASIN=0060006781
&Item.1.Quantity=1
&Item.2.ASIN=0140264450
&Item.2.Quantity=1
&Item.3.ASIN=0679758941
&Item.3.Quantity=1
&ResponseGroup=CartSimilarities