Welcome to the Atmosphere
The AT Protocol is an open, decentralized network for building social applications.
Guides
Quickstart
Create an application and start building.
Self-host
Learn how to set up your own personal data server.
Glossary
Definitions for all the terminology used in AT Protocol.
FAQ
Frequently Asked Questions about the Atmosphere.
Specs
Learn more
Guide
The fast intro to building on ATProto
In this guide, we build a simple multi-user app that publishes your current âstatusâ as an emoji.
Article
ATProto for distributed systems engineers
In this article we explore AT Proto from the perspective of distributed backend engineering.
Guide
What is Lexicon, and how do I use it to make a schema?
This guide will introduce you to Lexicon and get you started with building your own schemas.
Article
ATProto Ethos
A deep dive into the philosophical and aesthetic principles underlying the design of AT Protocol.
Web Without Walls - Talk at React Universe 2024
Talk
An introduction to the AT Protocol presented by Dan Abramov at React Universe Conf 2024
Looking for the Bluesky API docs?
Go to docs.bsky.app for Bluesky-specific documentation.