Ruby Authorization Library

The Ruby version of Oso is available on RubyGems and can be installed to your local Ruby:

$ gem install oso-oso -v 0.12.1

or added to a project’s Gemfile:

gem 'oso-oso', '~> 0.12.1'


  • Ruby version 2.4 or greater
  • Supported platforms:
    • Linux
    • macOS
    • Windows

API Reference

The Ruby API reference is automatically generated from the Oso Ruby library source files.