Using the Amazon E-Commerce Service (ECS) Help Operation

The Help operation is a supplement to the product documentation. The Help operation provides information about input parameters and response groups for the operations of ECS. It is useful both as a learning tool and can be used with IDE tools as well to customize your development environment.

Parameters for the HELP operation

Parameter Description
Operation Help
HelpType Operation or ResponseGroup
About name of operation or response group for which information is desired

For example, if you want a list of valid parameters for the ListSearch operation, you might create the following REST request:

US 
http://webservices.amazon.com/onca/xml?Service=AWSECommerceService
    &SubscriptionId=[ID]
    &Operation=Help
    &HelpType=Operation
    &About=ListSearch
UK 
http://webservices.amazon.co.uk/onca/xml?Service=AWSECommerceService
    &SubscriptionId=[ID]
    &Operation=Help
    &HelpType=Operation
    &About=ListSearch
DE 
http://webservices.amazon.de/onca/xml?Service=AWSECommerceService
    &SubscriptionId=[ID]
    &Operation=Help
    &HelpType=Operation
    &About=ListSearch
JP 
http://webservices.amazon.co.jp/onca/xml?Service=AWSECommerceService
    &SubscriptionId=[ID]
    &Operation=Help
    &HelpType=Operation
    &About=ListSearch

If you want information about the valid response groups for the Medium response group, you might create the following REST request:

US 
http://webservices.amazon.com/onca/xml?Service=AWSECommerceService
    &SubscriptionId=[ID]
    &Operation=Help
    &HelpType=ResponseGroup
    &About=Medium
UK 
http://webservices.amazon.co.uk/onca/xml?Service=AWSECommerceService
    &SubscriptionId=[ID]
    &Operation=Help
    &HelpType=ResponseGroup
    &About=Medium
DE 
http://webservices.amazon.de/onca/xml?Service=AWSECommerceService
    &SubscriptionId=[ID]
    &Operation=Help
    &HelpType=ResponseGroup
    &About=Medium
JP 
http://webservices.amazon.co.jp/onca/xml?Service=AWSECommerceService
    &SubscriptionId=[ID]
    &Operation=Help
    &HelpType=ResponseGroup
    &About=Medium