Skittles 
A Ruby implementation of the Foursquare v2 REST API.
Documentation
You can view detailed documentation of this library at http://rdoc.info/github/anthonator/skittles. We try to make sure that our documentation is up-to-date and thorough. However, we do recommend keeping the Foursquare developer documentation handy.
If you find a discrepency in our documentation please file an issue.
Usage
require 'rubygems'
require 'skittles'
Skittles.configure do |config|
config.client_id = '...'
config.client_secret = '...'
config.access_token = '...'
end
begin
Skittles.venue('211152')
rescue Skittles::Error => e
puts "You recieved the #{e.type} error and a status code of #{e.code} which means #{e.detail}."
end