Amazon Product Advertising API Developer's Manual page 350

Product Advertising API Developer Guide
SearchIndex: Software
Value
relevancerank
salesrank
price
-price
reviewrank
reviewrank_authority
-releasedate
SearchIndex: Toys
Value
relevancerank
salesrank
price
-price
reviewrank
reviewrank_authority
SearchIndex: VideoGames
Value
relevancerank
salesrank
Sort Values for ES
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
Average customer review: high to low
Review rank: high to low
Release date: newer to older
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
Average customer review: high to low
Review rank: high to low
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
API Version 2011-08-01
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