Welcome to the Amazon Simple Storage Service API Reference. It explains the Amazon Simple Storage Service (Amazon S3) application programming interface. It describes various API operations, related request and response structures, and error codes. The current version of the Amazon S3 API is 2006-03-01.
Amazon S3 is a web service that enables you to store data in the cloud. You can then download the data or use the data with other AWS services, such as Amazon Elastic Compute Cloud (Amazon EC2). For information about Amazon EC2, see Amazon EC2).