Amazon Product Advertising API Developer's Manual page 323

Product Advertising API Developer Guide
Value
titlerank
SearchIndex: Electronics
Value
salesrank
relevancerank
price
-price
titlerank
-titlerank
SearchIndex: ForeignBooks
Value
salesrank
pricerank
inverse-pricerank
daterank
titlerank
SearchIndex: Kitchen
Value
salesrank
relevancerank
price
-price
Sort Values for CA
Description
Alphabetical: A to Z
Description
Bestselling
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.
Price: low to high
Price: high to low
Alphabetical: A to Z
Alphabetical: Z to A
Description
Bestselling
Price: low to high
Price: high to low
Publication date: newer to older
Alphabetical: A to Z
Description
Bestselling
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.
Price: low to high
Price: high to low
API Version 2011-08-01
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