The easiest and most flexible OAuth 2.0 solution for any web application. btn.social scales with you without breaking the bank or capping your user growth.
OAuth API - Home
The Apigee OAuth API gives you a keychain for authenticating to Twitter, Salesforce, Salesforce Chatter, Facebook, Flickr, and Foursquare. Thousands of developers complain about the complexity of using OAuth. Now you can easily authenticate in one consistent way across several APIs and build apps faster.
AT Protocol, OAuth, and well, decentralization
I've been very happy with how Bluesky and AT Protocol as a whole is going, except for one thing: OAuth.
Open Social Web ID - in commons
Approaching a shared method of single sign-on for the entire open social web.
Proposal: OAuth Scopes · bluesky-social atproto · Discussion #3655
Note: a more complete proposal was published in July 2025: https://github.com/bluesky-social/proposals/tree/main/0011-auth-scopes We’re continuing work on rolling OAuth out to the atproto network. ...
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.
Proposal: OAuth-based account creation · bluesky-social atproto · Discussion #4587
We recently added to the reference PDS (and underlying OAuth Provider) implementation support for Initiating User Registration via OpenID Connect 1.0, however, what I wasn't aware of when I add...
Building OAuth Authentication for Bluesky: A Complete Guide for Web and iOS Apps - Lost in Inference
How to implement secure, standards-compliant OAuth 2.1 + PKCE authentication for AT Protocol apps with separate web and mobile flows
What is OAuth?
Wherein I [try to] answer a seemingly straightforward question: "WTF is OAuth, anyhow?"
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...
What login method do you consider most privacy-respecting?
I've been thinking about authentication methods and the privacy and security trade-offs for a project I'm working on. I've already ruled out OAuth…
SMM Tools • App Password or Oauth for Bluesky? - Hilary's Leaflet
Some work needs to be done before App Passwords can even remotely be retired. Make that a lot of work - none of these multi-platform tools have implemented it OR the two that did have not implemented Oauth for different PDSs.
IndieAuth
IndieAuth is a federated login protocol for Web sign-in, enabling users to use their own domain to sign in to other sites and services. IndieAuth can be used to implement OAuth2 login AKA OAuth-based login.
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...
3) it still doesn't fully cover all use cases well or at all 4) bsky.app still didn't manage to implement OAuth at all Yes, we should all be moving to OAuth w/ scopes, that's the goal, but give people some slack, it's all still rather fresh, we'll get there… (yes, it's me, I'm those people)
