The AWS SDK for Ruby helps you to get started building applications using AWS infrastructure services, including Amazon S3, Amazon EC2, Amazon SimpleDB, and more.

Getting Started Guide
Walks through the steps for setting up the SDK and running the code samples.

Developer Guide

Describes the various features of the SDK and how to use them.

  API Reference
Describes all the API operations for the SDK in detail. Also provides sample requests, responses, and errors for the supported web services protocols.