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Amazon MWS

Supported Amazon Services

Off-Amazon Payments API Section Client Library - C# - Version 2013-01-01

About this Library

  • Based on the 2013-01-01 API version.
  • Refers only to the LoginandPaywithAmazon-dotnet-1.0.14_US.zip file.

What's New?

For information about the latest updates to the client libraries for the Off-Amazon Payments API section, see "Client library updates" in the Off-Amazon Payments API section reference.


  • A Professional Selling Plan or another Amazon account that makes you eligible to use Amazon Marketplace Web Service (Amazon MWS).
  • Registering for Amazon MWS. For more information, see the Amazon MWS FAQ.
  • Microsoft Visual Studio. For more information, go to https://www.visualstudio.com/downloads.

Quick Start

The library comes with code samples for each operation of the API section. To get started with the library, follow these steps:

  1. Extract the LoginandPaywithAmazon-dotnet-1.0.14_US.zip file into a working directory.
  2. Configure the project for your environment.
  3. Set your MWS endpoint by uncommenting the correct endpoint for your locale.
  4. Set your Access Key ID and Secret Access Key.
  5. Set your Application or Company Name and Version Number.
  6. Set your Marketplace ID and Merchant ID.
  7. Run a sample by uncommenting the appropriate sections of code.