Amazon Product Advertising API Developer's Manual page 336

Product Advertising API Developer Guide
Value
reviewrank
SearchIndex: Baby
Value
price
-price
relevancerank
salesrank
SearchIndex: Beauty
Value
price
-price
relevancerank
reviewrank
salesrank
SearchIndex: Books
Value
salesrank
reviewrank
pricerank
inverse-pricerank
titlerank
-titlerank
Sort Values for DE
Description
Average customer review: high to low
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
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
Description
Bestselling
Average customer review: high to low
Price: low to high
Price: high to low
Alphabetical: A to Z
Alphabetical: Z to A
API Version 2011-08-01
329