Prepared for rails 4.

config/routes/link.rb

@@ -2,10 +2,10 @@ module ExtraRoutes
   def add(map)
 
     # links
-    map.match '/api/links',                       :to => 'links#index'
-    map.match '/api/links/add',                   :to => 'links#add'
-    map.match '/api/links/remove',                :to => 'links#remove'
+    map.match '/api/links',             :to => 'links#index',   :via => :get
+    map.match '/api/links/add',         :to => 'links#add',     :via => :get
+    map.match '/api/links/remove',      :to => 'links#remove',  :via => :get
 
   end
   module_function :add
-end
+end