







Part 2 of a 2-part series on implementing OAuth authentication for ATProto (Bluesky) applications.
Building OAuth Authentication for ATProto apps: Part 1, the web use-case - Building on atproto
In this follow-up OAuth implementation guide I dive a bit deeper into the actual implementation details of building authentication for your web or mobile app that builds on top of ATProto.
OAuth Improvements - AT Protocol
We've been making improvements to the end-user and developer experiences with atproto OAuth.

OAuth Roadmap · bluesky-social atproto · Discussion #2656
OAuth is nigh! Protocol support has been a long time coming and we are pumped. It should greatly improve the user and developer experiences building secure apps and integrations on atproto. And cou...
ATProto OAuth Quickstart Guide | Artur | Looking for work
Setting Up Bluesky OAuth in Your Web App: A Developer's Guide If you're building an app that needs to authenticate with Bluesky, you'll need to implement their OAuth flow. While the official docs are comprehensive, they can be a bit overwhelming. Let's break down the process into manageable steps. ...
index.html · by atprotofans.com
An browser-side ATProtocol OAuth application with no dependencies that verifies supporters
tijs/atproto-oauth
Framework-agnostic OAuth integration for AT Protocol (Bluesky) applications
Building a Browser-Based ATProtocol OAuth App with Supporter Validation - ATProtoFans Blog

OAuth for AT Protocol | Bluesky
We are very happy to release the initial specification of OAuth for AT Protocol! This is expected to be the primary authentication and authorization system between atproto client apps and PDS instances going forward, replacing the current flow using App Passwords and createSession over time.

atproto/packages/oauth/oauth-client-browser at main · bluesky-social/atproto
Social networking technology created by Bluesky. Contribute to bluesky-social/atproto development by creating an account on GitHub.
OAuth Client Implementation | Bluesky
This is a guide to implementing atproto OAuth clients "The Hard Way." Optimistically, most developers will have an SDK available for their programming language which supports OAuth, and they can simply refer to SDK documentation. This guide is intended for early adopters, SDK maintainers, or developers with more sophisticated OAuth needs. It is agnostic to whether developers are building clients to work the the app.bsky microblogging Lexicons, or implementing novel application Lexicons.

atproto/packages/oauth/oauth-client-node/README.md at main · bluesky-social/atproto
Social networking technology created by Bluesky. Contribute to bluesky-social/atproto development by creating an account on GitHub.
Working OAuth example? · bluesky-social atproto · Discussion #3075
For the last week I've tried to implement ATProto OAuth with Ruby, but it's proven to be very complicated. Although there are numerous existing OAuth libraries, none implement the more mode...
here's my take on a minimal oauth browser client for atproto! no special API client class — just use plain `fetch` to make requests and a service worker automatically handles authorization headers/token refreshes/dpop retries/etc. (very experimental, not tested in production, use at your own risk)
jakelazaroff.com/atsw
tangled.org