Amazon Product Advertising API Developer's Manual page 402

Product Advertising API Developer Guide
SearchIndex: SportingGoods
Value
relevancerank
salesrank
pricerank
inverseprice
launch-date
sale-flag
SearchIndex: Tools
Value
pmrank
salesrank
price
-price
titlerank
-titlerank
SearchIndex: Toys
Value
pmrank
salesrank
price
-price
titlerank
-age-min
Sort Values for US
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), how closely
they occur in descriptions (if there are multiple keywords), and how
often customers purchased the products they found using the
keyword.
Bestselling
Price: low to high
Price: high to low
Newest arrivals
On sale
Description
Featured items
Bestselling
Price: low to high
Price: high to low
Alphabetical: A to Z
Alphabetical: Z to A
Description
Featured items
Bestselling
Price: low to high
Price: high to low
Alphabetical: A to Z
Age: high to low
API Version 2011-08-01
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