The Object Storage Service (OSS) is a cloud storage service provided by Alibaba Cloud, featuring a massive capacity, security, a low cost, and high reliability. You can upload and download data anytime, anywhere, and on any Internet device through a simple RESTful interface described herein. With the OSS, you can develop a diverse range of massive data-based services such as multimedia sharing websites, online storage, personal data backups, and corporate data backups. This document details the request syntax, request samples and return samples for each interface and precautions for using interfaces to help you with quick secondary development and third-party technology integration.

Before using these interfaces, make sure that you fully understand the OSS product instructions, usage agreements, and billing methods.