Amazon Product Advertising API Developer's Manual page 367

Product Advertising API Developer Guide
SearchIndex: Apparel
Value
price
-price
relevancerank
salesrank
SearchIndex: Automotive
Value
relevancerank
salesrank
price
-price
reviewrank
SearchIndex: Baby
Value
psrank
salesrank
price
-price
titlerank
Sort Values for JP
Description
Price: low to high
Price: high to low
Items ranked according to the following criteria: how often the keyword
appears in the description, where the keyword appears, for example,
the ranking is higher when keywords are found in titles, and, if there
are multiple keywords, how closely they occur in descriptions, and,
finally, how often customers purchased the products they found using
the keyword.
Bestselling to worst selling
Description
Items ranked according to the following criteria: how often the keyword
appears in the description, where the keyword appears, for example,
the ranking is higher when keywords are found in titles, and, if there
are multiple keywords, how closely they occur in descriptions, and,
finally, how often customers purchased the products they found using
the keyword.
Bestselling
Price: low to high
Price: high to low
Highest to lowest ratings in customer reviews.
Description
Bestseller ranking taking into consideration projected sales.The lower
the value, the better the sales.
Bestselling
Price: low to high
Price: high to low
Alphabetical: A to Z
API Version 2011-08-01
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