Default Sort Values From Product Advertising API: 2009-11-01 previous page next page Default Sort Values There are many sort values. The majority are not applied unless the Sort parameter is included in the request. There are two sort values, however, that are used by default. For ItemSearch requests that do not use the BrowseNode parameter, results are sorted by Relevance For ItemSearch requests that do use the BrowseNode parameter, results are sorted by BestSeller ranking previous page start next page