diff --git a/lib/noosfero/api/entities.rb b/lib/noosfero/api/entities.rb
index 976db63..253a773 100644
--- a/lib/noosfero/api/entities.rb
+++ b/lib/noosfero/api/entities.rb
@@ -51,7 +51,7 @@ module Noosfero
   
       class ArticleChild < Grape::Entity
         root 'articles', 'article'
-        expose :id, :body
+        expose :id, :body, :abstract
         expose :created_at, :format_with => :timestamp
         expose :title, :documentation => {:type => "String", :desc => "Title of the article"}
         expose :created_by, :as => :author, :using => Profile
@@ -62,7 +62,7 @@ module Noosfero
   
       class Article < Grape::Entity
         root 'articles', 'article'
-        expose :id, :body
+        expose :id, :body, :abstract
         expose :created_at, :format_with => :timestamp
         expose :title, :documentation => {:type => "String", :desc => "Title of the article"}
         expose :created_by, :as => :author, :using => Profile
--
libgit2 0.21.2