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A Ruby gem for discovering a URL's IndieAuth, Micropub, Microsub, and Webmention endpoints.

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Key Features

Getting Started

Before installing and using indieweb-endpoints-ruby, you'll want to have Ruby 2.5 (or newer) installed. It's recommended that you use a Ruby version managment tool like rbenv, chruby, or rvm.

indieweb-endpoints-ruby is developed using Ruby 2.5.9 and is additionally tested against Ruby 2.6, 2.7, and 3.0 using Travis CI.


If you're using Bundler, add indieweb-endpoints-ruby to your project's Gemfile:

source ''

gem 'indieweb-endpoints'

…and hop over to your command prompt and run…

$ bundle install


Basic Usage

With indieweb-endpoints-ruby added to your project's Gemfile and installed, you may discover a URL's IndieWeb-relevant endpoints by doing:

require 'indieweb/endpoints'

#=> { authorization_endpoint: "", micropub: "", microsub: "", redirect_uri: nil, token_endpoint: "", webmention: "" }

This example will search for valid IndieAuth, Micropub, and Webmention endpoints and return a Hash of results. Each key in the returned Hash will have a value of either a String representing a URL or nil. The redirect_uri key's value will be either an Array or nil since a given URL may register multiple callback URLs.

Advanced Usage

Should the need arise, you may work with the IndieWeb::Endpoints::Client class:

require 'indieweb/endpoints'

client ='')
#=> #<IndieWeb::Endpoints::Client url: "">

#=> #<HTTP::Response/1.1 200 OK {…}>

#=> { authorization_endpoint: "", micropub: "", microsub: "", redirect_uri: nil, token_endpoint: "", webmention: "" }

Exception Handling

There are several exceptions that may be raised by indieweb-endpoints-ruby's underlying dependencies. These errors are raised as subclasses of IndieWeb::Endpoints::Error (which itself is a subclass of StandardError).

From sporkmonger/addressable:

  • IndieWeb::Endpoints::InvalidURIError

From httprb/http:

  • IndieWeb::Endpoints::HttpError


Interested in helping improve indieweb-endpoints-ruby? Awesome! Your help is greatly appreciated. See for details.

By contributing to and participating in the development of indieweb-endpoints-ruby, you acknowledge that you have read and agree to the IndieWeb Code of Conduct.


indieweb-endpoints-ruby wouldn't exist without IndieAuth, Micropub, and Webmention and the hard work put in by everyone involved in the IndieWeb movement. Additionally, the comprehensive Webmention Endpoint Discovery test suite at was invaluable in the development of this Ruby gem.

indieweb-endpoints-ruby is written and maintained by Jason Garber.


indieweb-endpoints-ruby is freely available under the MIT License. Use it, learn from it, fork it, improve it, change it, tailor it to your needs.