diff --git a/lib/noosfero/api/entities.rb b/lib/noosfero/api/entities.rb
index a71d805..9652d22 100644
--- a/lib/noosfero/api/entities.rb
+++ b/lib/noosfero/api/entities.rb
@@ -174,13 +174,16 @@ module Noosfero
         expose :followers_count
         expose :votes_count
         expose :comments_count
+        expose :archived, :documentation => {:type => "Boolean", :desc => "Defines if a article is readonly"}
         expose :type
       end
 
       class Article < ArticleBase
         root 'articles', 'article'
         expose :parent, :using => ArticleBase
-        expose :children, :using => ArticleBase
+        expose :children, :using => ArticleBase do |article, options|
+          article.children.limit(Noosfero::API::V1::Articles::MAX_PER_PAGE)
+        end
       end
 
       class CommentBase < Entity
diff --git a/lib/noosfero/api/helpers.rb b/lib/noosfero/api/helpers.rb
index dcdae61..5c14292 100644
--- a/lib/noosfero/api/helpers.rb
+++ b/lib/noosfero/api/helpers.rb
@@ -5,7 +5,7 @@ require_relative '../../find_by_contents'
     module API
       module APIHelpers
       PRIVATE_TOKEN_PARAM = :private_token
-      DEFAULT_ALLOWED_PARAMETERS = [:parent_id, :from, :until, :content_type, :author_id, :identifier]
+      DEFAULT_ALLOWED_PARAMETERS = [:parent_id, :from, :until, :content_type, :author_id, :identifier, :archived]
 
       include SanitizeParams
       include Noosfero::Plugin::HotSpot
diff --git a/lib/noosfero/vote_ext.rb b/lib/noosfero/vote_ext.rb
index 4d1e601..b39bd12 100644
--- a/lib/noosfero/vote_ext.rb
+++ b/lib/noosfero/vote_ext.rb
@@ -8,4 +8,15 @@ class Vote
     voter.blank?
   end
 
+  validate :verify_target_archived
+
+  def verify_target_archived
+    if voteable.kind_of?(Article) || voteable.kind_of?(Comment)
+      if voteable.archived?
+        errors.add(:base, _("The target is achived and can't accept votes"))
+        false
+      end
+    end
+  end
+
 end
diff --git a/test/api/articles_test.rb b/test/api/articles_test.rb
index dbe6c3d..b8a3124 100644
--- a/test/api/articles_test.rb
+++ b/test/api/articles_test.rb
@@ -195,6 +195,32 @@ class ArticlesTest < ActiveSupport::TestCase
     assert_equal 400, last_response.status
   end
 
+  should 'not perform a vote in a archived article' do
+    article = fast_create(Article, :profile_id => @person.id, :name => "Some thing", :archived => true)
+    @params[:value] = 1
+    post "/api/v1/articles/#{article.id}/vote?#{params.to_query}"
+    puts JSON.parse(last_response.body)
+    assert_equal 400, last_response.status
+  end
+
+  should 'not update hit attribute of a specific child if a article is archived' do
+    folder = fast_create(Folder, :profile_id => user.person.id, :archived => true)
+    article = fast_create(Article, :parent_id => folder.id, :profile_id => user.person.id)
+    get "/api/v1/articles/#{folder.id}/children/#{article.id}?#{params.to_query}"
+    json = JSON.parse(last_response.body)
+    assert_equal 0, json['article']['hits']
+  end
+
+  should 'find archived articles' do
+    article1 = fast_create(Article, :profile_id => user.person.id, :name => "Some thing")
+    article2 = fast_create(Article, :profile_id => user.person.id, :name => "Some thing", :archived => true)
+    params[:archived] = true
+    get "/api/v1/articles/?#{params.to_query}"
+    json = JSON.parse(last_response.body)
+    assert_not_includes json["articles"].map { |a| a["id"] }, article1.id
+    assert_includes json["articles"].map { |a| a["id"] }, article2.id
+  end
+
   should "update body of article created by me" do
     new_value = "Another body"
     params[:article] = {:body => new_value}
@@ -653,7 +679,7 @@ class ArticlesTest < ActiveSupport::TestCase
     assert_equal json['articles'].count, 2
   end
 
-  ARTICLE_ATTRIBUTES = %w(votes_count comments_count)
+  ARTICLE_ATTRIBUTES = %w(followers_count votes_count comments_count)
 
   ARTICLE_ATTRIBUTES.map do |attribute|
 
diff --git a/test/api/comments_test.rb b/test/api/comments_test.rb
index b2aa960..5e0299f 100644
--- a/test/api/comments_test.rb
+++ b/test/api/comments_test.rb
@@ -66,6 +66,15 @@ class CommentsTest < ActiveSupport::TestCase
     assert_equal body, json['comment']['body']
   end
 
+  should 'not comment an archived article' do
+    article = fast_create(Article, :profile_id => user.person.id, :name => "Some thing", :archived => true)
+    body = 'My comment'
+    params.merge!({:body => body})
+
+    post "/api/v1/articles/#{article.id}/comments?#{params.to_query}"
+    assert_equal 400, last_response.status
+  end
+
   should 'comment creation define the source' do
     amount = Comment.count
     article = fast_create(Article, :profile_id => user.person.id, :name => "Some thing")
diff --git a/test/api/helpers_test.rb b/test/api/helpers_test.rb
index 9a877db..cbc820d 100644
--- a/test/api/helpers_test.rb
+++ b/test/api/helpers_test.rb
@@ -163,6 +163,10 @@ class APIHelpersTest < ActiveSupport::TestCase
     assert_nil make_conditions_with_parameter[:type]
   end
 
+  should 'make_conditions_with_parameter return archived parameter if archived was defined' do
+    assert_not_nil make_conditions_with_parameter('archived' => true)[:archived]
+  end
+
   #test_should_make_order_with_parameters_return_order_if attribute_is_found_at_object_association
   should 'make_order_with_parameters return order if attribute is found at object association' do
     environment = Environment.new
diff --git a/test/api/people_test.rb b/test/api/people_test.rb
index a9f3951..f7eec5a 100644
--- a/test/api/people_test.rb
+++ b/test/api/people_test.rb
@@ -240,7 +240,7 @@ class PeopleTest < ActiveSupport::TestCase
     assert_equal "www.blog.org", json['person']['additional_data']['Custom Blog']
   end
 
-  PERSON_ATTRIBUTES = %w(vote_count comments_count articles_count)
+  PERSON_ATTRIBUTES = %w(vote_count comments_count articles_count following_articles_count)
 
   PERSON_ATTRIBUTES.map do |attribute|
     define_method "test_should_not_expose_#{attribute}_attribute_in_person_enpoint_if_field_parameter_does_not_contain_the_attribute" do
diff --git a/test/api/search_test.rb b/test/api/search_test.rb
index 1f90a47..7102674 100644
--- a/test/api/search_test.rb
+++ b/test/api/search_test.rb
@@ -147,4 +147,13 @@ class SearchTest < ActiveSupport::TestCase
     assert_includes ids, json['articles'].last["id"]
   end
 
+  should 'list only articles that was archived' do
+    article1 = fast_create(Article, :profile_id => person.id)
+    article2 = fast_create(Article, :profile_id => person.id, archived: true)
+
+    get "/api/v1/search/article?archived=true"
+    json = JSON.parse(last_response.body)
+    assert_equal [article2.id], json['articles'].map {|a| a['id']}
+  end
+
 end
--
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