Amazon Product Advertising API Developer's Manual page 386

Product Advertising API Developer Guide
Value
price
-price
daterank
titlerank
-titlerank
SearchIndex: Outlet
You cannot use any sort parameters with the Outlet search index.
SearchIndex: PCHardware
Value
psrank
salesrank
price
-price
titlerank
SearchIndex: Shoes
Value
-launch-date
price
-price
relevancerank
reviewrank
salesrank
Sort Values for UK
Description
Price: low to high
Price: high to low
Publication date: older to newer
Alphabetical: A to Z
Alphabetical: Z to A
Description
Bestselling
Price: low to high
Price: high to low
Alphabetical: A to Z
Description
The date the apparel was introduced from the most recent to the
least recent
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.
Average customer review: high to low
Bestselling to worst selling
API Version 2011-08-01
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