diff --git a/lib/ext/entities.rb b/lib/ext/entities.rb
new file mode 100644
index 0000000..4881f51
--- /dev/null
+++ b/lib/ext/entities.rb
@@ -0,0 +1,13 @@
+module Noosfero
+  module API
+    module Entities
+
+      class ArticleBase < Entity
+        expose :ranking_position do |article, options|
+          article.kind_of?(ProposalsDiscussionPlugin::Proposal) && article.ranking_item.present? ? article.ranking_item.position : nil
+        end
+      end
+
+    end
+  end
+end
diff --git a/lib/proposals_discussion_plugin/proposals_holder.rb b/lib/proposals_discussion_plugin/proposals_holder.rb
index c23b731..df8cd7d 100644
--- a/lib/proposals_discussion_plugin/proposals_holder.rb
+++ b/lib/proposals_discussion_plugin/proposals_holder.rb
@@ -55,6 +55,7 @@ class ProposalsDiscussionPlugin::ProposalsHolder < Folder
       ProposalsDiscussionPlugin::RankingItem.new(:proposal => proposal, :abstract => proposal.abstract, :votes_for => proposal.votes_for, :votes_against => proposal.votes_against, :hits => proposal.hits, :effective_support => effective_support)
     end
     ranking.sort_by { |p| p.effective_support }.reverse
+    ranking.each_with_index { |p, i| p.position = i+1 }
   end
 
   def update_ranking
diff --git a/test/unit/api_test.rb b/test/unit/api_test.rb
index abc2e35..c43049b 100644
--- a/test/unit/api_test.rb
+++ b/test/unit/api_test.rb
@@ -65,4 +65,16 @@ class APITest <  ActiveSupport::TestCase
     assert_equal "This is a malicious body SearchParam", task.article.body
   end
 
+  should 'return article position when list proposals' do
+    discussion = fast_create(ProposalsDiscussionPlugin::Discussion, :profile_id => user.person.id)
+    topic = fast_create(ProposalsDiscussionPlugin::Topic, :profile_id => user.person.id, :parent_id => discussion.id)
+    proposal = fast_create(ProposalsDiscussionPlugin::Proposal, :profile_id => user.person.id, :parent_id => topic.id)
+    params[:content_type] = 'ProposalsDiscussionPlugin::Proposal'
+    topic.update_ranking
+
+    get "/api/v1/articles/?#{params.to_query}"
+    json = JSON.parse(last_response.body)
+    assert_includes json["articles"].map { |a| a["ranking_position"] }, 1
+  end
+
 end
--
libgit2 0.21.2