Search Index and ItemSearch Parameter Combinations From Product Advertising API: 2009-11-01 previous page next page Search Index and ItemSearch Parameter Combinations For a given search index, only some ItemSearch parameters are valid. Also, each locale supports only a subset of all search index values. The following sections explain, by locale and by search index, which ItemSearch parameters can be used in a request. For example, in the US locale, when SearchIndex is "Blended," the only parameter that can be used in an ItemSearch request is Keywords. Amazon.ca (CA) Combinations Amazon.de (DE) Combinations Amazon.fr (FR) Combinations Amazon.co.jp (JP) Combinations Amazon.co.uk (UK) Combinations Amazon.com (US) Combinations previous page start next page