zammad/config/routes/setting.rb

Zammad::Application.routes.draw do
  api_path = Rails.configuration.api_path

  # base objects
  match api_path + '/settings',               :to => 'settings#index',   :via => :get
  match api_path + '/settings/:id',           :to => 'settings#show',    :via => :get
  match api_path + '/settings',               :to => 'settings#create',  :via => :post
  match api_path + '/settings/:id',           :to => 'settings#update',  :via => :put
  match api_path + '/settings/:id',           :to => 'settings#destroy', :via => :delete

end