docs

layout	index
title	Documentation
description	The Cosmos-SDK is a framework for building blockchain applications in Golang. It is being used to build Gaia, the first implementation of the Cosmos Hub.
features	cta title desc label url image Read Introduction to Cosmos SDK Learn about all the parts of the Cosmos SDK. 5 min /intro/ spaceship cta title desc label special h3 url image Learn SDK Tutorial Build a complete blockchain application from scratch. 30-40 min dark View tutorials https://tutorials.cosmos.network/ window
sections	title desc url icon Introduction High-level overview of the Cosmos SDK. /intro introduction title desc icon url Basics Anatomy of a blockchain, transaction lifecycle, accounts and more. basics /basics title desc icon url SDK Core Read about the core concepts like `baseapp`, the store, or the server. core /core title desc icon url Building Modules Discover how to build modules for the Cosmos SDK. modules /building-modules title desc icon url Interfaces Build interfaces for Cosmos SDK applications. interfaces /interfaces title desc icon url Modules Explore existing modules to build your application with. specifications /modules
stack	title desc color label url Cosmos Hub Short description about Cosmos Hub, no longer than a few of lines. #BA3FD9 hub http://hub.cosmos.network title desc color label url Tendermint Short description about Tendermint, no longer than a few of lines. #00BB00 core http://docs.tendermint.com
footer	newsletter

Cosmos SDK Documentation

Get Started

• SDK Intro: High-level overview of the Cosmos SDK.
• SDK Application Tutorial: A tutorial that showcases how to build an SDK-based blockchain from scratch and explains the basic principles of the SDK in the process.

Reference

• Basics: Documentation on the basic concepts of the Cosmos SDK, like the standard anatomy of an application, the transaction lifecycle and accounts management.
• Core: Documentation on the core concepts of the Cosmos SDK, like baseapp, the store or the server.
• Building Modules: Important concepts for module developers like messages, keepers, handlers and queriers.
• Interfaces: Documentation on building interfaces for Cosmos SDK applications.

Other Resources

• Module Directory: Module implementations and their respective documentation.
• Specifications: Specifications of modules and other parts of the Cosmos SDK.
• SDK API Reference: Godocs of the Cosmos SDK.
• REST API spec: List of endpoints to interact with a gaia full-node through REST.

Cosmos Hub

The Cosmos Hub (gaia) docs have moved here.

Languages

The Cosmos-SDK is currently written in Golang, though the framework could be implemented similarly in other languages. Contact us for information about funding an implementation in another language.

Contribute

See this file for details of the build process and considerations when making changes.