Amazon Product Advertising API Developer's Manual page 131

Product Advertising API Developer Guide
Sorting by Popularity, Price, or Condition
Sort Parameter
salesrank
relevancerank
reviewrank
For example, the following request returns a list of toy rockets sorted from the cheapest to the most
expensive.
http://webservices.amazon.com/onca/xml?
Service=AWSECommerceService&
AWSAccessKeyId=[AWS Access Key
Operation=ItemSearch&
Keywords=Rocket&
SearchIndex=Toys&
Sort=price&
ResponseGroup=Offers&
ItemPage=10
&Timestamp=[YYYY-MM-DDThh:mm:ssZ]
&Signature=[Request Signature]
The following is a snippet of the response.
<Item>
<ASIN>B000BOWQWA</ASIN>
<OfferSummary>
<LowestNewPrice>
<Amount>210</Amount>
<CurrencyCode>USD</CurrencyCode>
<FormattedPrice>$2.10</FormattedPrice>
</LowestNewPrice>
<TotalNew>3</TotalNew>
<TotalUsed>0</TotalUsed>
<TotalCollectible>0</TotalCollectible>
<TotalRefurbished>0</TotalRefurbished>
</OfferSummary>
</Item>
<Item>
<ASIN>B0006N6MGW</ASIN>
<OfferSummary>
<LowestNewPrice>
<Amount>211</Amount>
<CurrencyCode>USD</CurrencyCode>
<FormattedPrice>$2.11</FormattedPrice>
</LowestNewPrice>
<TotalNew>2</TotalNew>
Description
Order items according to how well they've sold, from best to worst
sellers.
Order items according to how often the keyword appears in the
product description, where the keyword appears (for example, the
ranking is higher when keywords are found in titles), if there are
multiple keywords, how closely they occur in descriptions, and, finally,
how often customers purchased the products they found using the
keyword.
Order items according to how highly rated the item was reviewed by
customers where the highest ranked items are listed first and the
lowest ranked items are listed last.
ID]&
API Version 2011-08-01
124