Product Advertising API
Developer Guide (API Version 2013-08-01)

Find Similar Item IDs

The Similarities response group returns the title and ID of items that are similar to items returned in a response. Service=AWSECommerceService& AWSAccessKeyId=[AWS Access Key ID]& AssociateTag=[Associate Tag]& Operation=ItemLookup& ItemId= B000184IY0& ResponseGroup=Similarities &Timestamp=[YYYY-MM-DDThh:mm:ssZ] &Signature=[Request Signature]

The following similar item was returned.

<SimilarProduct> <ASIN>B00004GJVO</ASIN> <Title>Minor Move</Title> </SimilarProduct>

You can use the information in this response to display the titles of similar items. To display more information about similar items, use the ASIN returned in a new ItemLookup request and specify an appropriate response group, such as ItemAttributes.