What is gem to Authenticating with the Meetup?

I am looking for the ruby/rails gem that deals with the Authentication API for Meetup.com

http://www.meetup.com/meetup_api/auth/

Solution

Meetup.com, at this time, does not have an official (or unofficial) ruby gem specific to it, but the API does use the oauth 2.0 protocol for authorization, so you can use the oauth2 gem for example, or even rack-oauth2 if you prefer a middleware solution

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