SDK Overview

Release Notes

Notification on Service Suspension Policy Change in Case of Overdue Payment for COS Pay-As-You-Go (Postpaid)

Implementation Notice for Security Management of COS Bucket Domain (Effective January 2024)

Notification of Price Reduction for COS Retrieval and Storage Capacity Charges

Daily Billing for COS Storage Usage, Request, and Data Retrieval

COS Will Stop Supporting New Default CDN Acceleration Domains

Announcements

Release Notes and Announcements

Overview

Features

Use Cases

Strengths

Concepts

Regions and Access Endpoints

Specifications and Limits

Product Introduction

Billing Overview

Pay-as-You-Go

Resource Packages (Prepaid)

Billing Method

Traffic Fees

Storage Usage Fees

Request Fees

Data Retrieval Fees

Management Fees

Metadata Acceleration Fees

Data Processing Fees

Billable Items

Free Tier

Billing Examples

Viewing and Downloading Bill

Payment Overdue

FAQs

Purchase Guide

Console

Getting Started with COSBrowser

Getting Started

Creating Request

Bucket Overview

Creating a Bucket

Querying Bucket

Clearing Bucket

Deleting a Bucket

Setting Hotlink Protection

Setting Object Lock

Setting Origin-Pull

Setting Cross-Origin Resource Sharing (CORS)

Accessing Bucket List Using Sub-Account

Domain Name Management

Bucket

Object Overview

Storage Class

Uploading Object

Downloading Object

Deleting Objects

Searching for Objects

Copying Objects

Previewing or Editing Object

Viewing Object Information

Sorting and Filtering Objects

Restoring Archived Objects

Exporting Object URLs

Creating a File

Folder Management

Custom Headers

Object

Lifecycle Management

Setting Static Website

Inventory Overview

Bucket Tag Overview

Object Tag Overview

Event Notifications

 Data Extraction 

Log Management

Data Management

Versioning

Cross-Bucket Replication

MAZ Feature Overview

Data Disaster Recovery

Server-side Encryption Overview

Bucket Encryption Overview

Data Security

Access Permission Configuration Description

Using CDN to Accelerate Access

Single-Connection Bandwidth Limit

Cloud Access Management

Performing Batch Operation

Managing Batch Operation Jobs

Batch Operation

Private Network Global Acceleration

Global Acceleration

Monitoring and Alarms

Monitoring Reports

Security Management

Operations Center

Image Processing

File Processing

Media Processing

Function Service

Data Processing

Moderation Details

Automatic Moderation

Historical data moderation

Setting Moderation Policy

Setting the Custom Image Risk Library

Setting the Business Field Risk Library

Content Moderation

Smart Toolbox

Custom Function Processing

Configuring a Workflow

Configuring Job

Template

Queues and Callbacks

Data Processing Workflow

Add COS Inventory Analysis Function

Setting COS Inventory Analysis

MySQL Backup

MongoDB Backup

SQL Server Data Backup

CKafka Message Backup

TDMQ Message Backup

Redis Backup

CDN Log Backup

CLS Log Backup

Adding Log Analysis Function

Data Export to CKafka

Data Export to ES

Application Integration

Operation Guide

Tool Overview

Java

Python

Hadoop

Installation and Configuration of Environment

COSBrowser Overview

User Guide for Desktop Version

User Guide for Mobile Version

 COSBrowser 

COSCLI Overview

Download and Installation Configuration

Common Options

Common Commands

COSCLI (Beta)

COSCMD

COS Migration

FTP Server

COSDistCp

HDFS TO COS

GooseFS-Lite

COS Request Tool

Online Tools

Diagnostic Tool

ACL Practices

CAM Practices

Granting Sub-Accounts Access to COS

Authorization Cases

Working with COS API Authorization Policies

Security Guidelines for Using Temporary Credentials for Direct Upload from Frontend to COS

Generating and Using Temporary Keys

Authorizing Sub-Account to Get Buckets by Tag

Descriptions and Use Cases of Condition Keys

Granting Bucket Permissions to a Sub-Account that is Under Another Root Account

Access Control and Permission Management

Request Rate and Performance Optimization

Working with COSBench

Performance Optimization

Migrating Local Data to COS

Migrating Data from Third-Party Cloud Storage Service to COS

Migrating Data from URL to COS

Migrating Data Within COS

Migrating Data Between HDFS and COS

Data Migration 

Accessing COS with AWS S3 SDK

Disaster Recovery and High Availability Architecture Based on Cross-Bucket Replication

Cloud Data Backup

Local Data Backup

 Data Disaster Recovery and Backup 

Switch bucket to custom domain

Supporting HTTPS for Custom Endpoints

Setting CORS

Hosting a Static Website

Building a Frontend Single-Page Application with COS's Static Website Feature

Configuring a Custom CDN Domain Name to Support Gzip Compression

 Domain Name Management Practice 

Hybrid Watermarking

COS Audio/Video Player Overview

Playing back COS Video File with TCPlayer

Playing back Video in COS with DPlayer

Playing back Video in COS with VideojsPlayer

Audio/Video Practices

Using Custom Function to Manage COS Files

Workflow

Upload Security Restriction

Server Signature Practice

Practice of Direct Transfer for Web End

Practice of Direct Upload Through WeChat Mini Program

Practice of Direct Upload for Mobile Apps

HarmonyOS Direct Upload Practice

Flutter Direct Upload Practice

 Direct Data Upload

Practical Tutorial

Cloud Object Storage

SDK	Quick Start Documentation
Android SDK	Getting Started with Android SDK
C SDK	Getting Started with C SDK
C++ SDK	Getting Started with C++ SDK
.NET SDK	Getting Started with .NET SDK
Go SDK	Getting Started with Go SDK
iOS SDK	Getting Started with iOS SDK
Java SDK	Getting Started with Java SDK
JavaScript SDK	Getting Started with JavaScript SDK
Node.js SDK	Getting Started with Node.js SDK
PHP SDK	Getting Started with PHP SDK
Python SDK	Getting Started with Python SDK
Mini Program SDK	Getting Started with Mini Program SDK

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