The gem is used as a remote API (using Net::HTTP) for the service called marketing (https://github.com/fess89/marketing).
gem install marketing_api
or
git clone https://github.com/fess89/marketing_api_gem .
rake build
mkdir marketing_api_gem
cd marketing_api_gem
git clone https://github.com/fess89/marketing_api_gem .
bundle install
rake