Slack's new api

app/controllers/api/conferences_controller.rb

@@ -0,0 +1,7 @@
+class Api::ConferencesController < Api::ApplicationController
+  include ::PublicApiExposing
+
+  def index
+    @conferences = Conference.all
+  end
+end

app/views/api/conferences/index.jbuilder

@@ -0,0 +1 @@
+json.array! @conferences, :id, :title, :start_date, :end_date, :created_at, :updated_at

config/routes.rb

@@ -17,7 +17,7 @@ Rails.application.routes.draw do
   end
 
   namespace :api do
-    resources :conferences, only: [] do
+    resources :conferences, only: [:index] do
       resources :events, only: :index do
         collection do
           get :halfnarp_friendly