# Introduction ### What is DeOSS DeOSS (Decentralized Object Storage Service) is a decentralized object-based, low-cost, secure, agile, and scalable distributed mass storage service for the web3 industry. Both enterprises and individuals can use DeOSS to store. Based on blockchain technology, DeOSS effectively utilizes online idle storage resources to build a vast distributed storage network. The mission of DeOSS is to give the data ownership and benefits right back to the data producers, rather than centralized platforms. So, what is DeOSS? DeOSS is the Gateway to the CESS Network. DeOSS is the blockchain-based distributed storage protocols. DeOSS is a Web3 platform for developers. DeOSS is the decentralized AWS S3. DeOSS follows the Apache 2.0 open-source protocol and allows one to deploy it at any time, any place, and to use it to freely access files stored distributedly around the world. ### Who can use DeOSS DApp, NFT, and Web3 developers, SocialFi developers, and users with large-scale data storage requirements. ### What can DeOSS store DeOSS can store high-definition pictures, audio, video, and backup files in websites and applications, as well as files of various DApp applications and network disk applications. ### How do you use DeOSS If you are not a developer, you can use [DeShare Web App](https://cess.network/deshare.html) and [DeOSS Web App](https://cess.network/deoss.html). Here is the [API Description](/products/deoss/api_description.md) you can refer to if you are a developer. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://doc.cess.network/products/deoss/introduction.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.