Amazon Marketplace Web Service (MWS) will no longer be available after March 31, 2024. All MWS developers must migrate to Selling Partner API (SP-API) to avoid service disruptions. Refer to the Migration Hub for more information.
Amazon Marketplace Web Service (Amazon MWS) conforms to multiple industry standards. This section will list the most important standards used here and how they have been adopted.
When an API reference page lists a data type with an xs: prefix, such as xs:int or xs:string, these refer to the built-in XSD datatypes. See the W3C XML Schema Definition Language (XSD) 1.1 Part 2: Datatypes for detailed information.