AWS SDKs and Tools Reference Guide - AWS SDK for .NET (V3)
This documentation is a draft for private preview for regions in the AWS European Sovereign Cloud. Documentation content will continue to evolve. Published: January 1, 2026.

Version 4 (V4) of the AWS SDK for .NET has been released!

To start using the new version of the SDK, see the AWS SDK for .NET (V4) Developer Guide, especially the topic for Migrating to version 4.

AWS SDKs and Tools Reference Guide

The AWS SDKs and Tools Reference Guide contains information that's relevant and important for many of the AWS SDKs and toolkits and the AWS CLI. The following are some examples of the information that the reference contains: