diff --git a/lib/noosfero/api/entities.rb b/lib/noosfero/api/entities.rb
index 8b47b48..53b101d 100644
--- a/lib/noosfero/api/entities.rb
+++ b/lib/noosfero/api/entities.rb
@@ -48,6 +48,7 @@ module Noosfero
 
       class Region < Category
         root 'regions', 'region'
+        expose :parent_id
       end
 
       class Profile < Entity
@@ -55,6 +56,8 @@ module Noosfero
         expose :created_at, :format_with => :timestamp
         expose :image, :using => Image
         expose :region, :using => Region
+        expose :city, :using => Region
+        expose :state, :using => Region
       end
 
       class UserBasic < Entity
@@ -65,6 +68,7 @@ module Noosfero
       class Person < Profile
         root 'people', 'person'
         expose :user, :using => UserBasic
+        expose :orientacao_sexual, :identidade_genero, :transgenero, :etnia
       end
 
       class Enterprise < Profile
@@ -120,7 +124,7 @@ module Noosfero
         expose :id
         expose :login
         expose :email
-        expose :person, :using => Profile
+        expose :person, :using => Person
         expose :activated?, as: :activated
         expose :permissions do |user, options|
           output = {}
diff --git a/lib/noosfero/api/helpers.rb b/lib/noosfero/api/helpers.rb
index 63c6f72..b5871b5 100644
--- a/lib/noosfero/api/helpers.rb
+++ b/lib/noosfero/api/helpers.rb
@@ -5,7 +5,7 @@ require 'grape'
     module API
       module APIHelpers
       PRIVATE_TOKEN_PARAM = :private_token
-      DEFAULT_ALLOWED_PARAMETERS = [:parent_id, :from, :until, :content_type]
+      DEFAULT_ALLOWED_PARAMETERS = [:parent_id, :from, :until, :content_type, :author_id]
 
       include SanitizeParams
       include Noosfero::Plugin::HotSpot
diff --git a/plugins/juventude b/plugins/juventude
index 8fb44a4..abd9f8d 160000
--- a/plugins/juventude
+++ b/plugins/juventude
@@ -1 +1 @@
-Subproject commit 8fb44a478abb5ccd345b8ffaf1f37817d273ad30
+Subproject commit abd9f8d52f84c2292f91ae96d7dcbf063eac6570
diff --git a/test/unit/api/articles_test.rb b/test/unit/api/articles_test.rb
index 6240bf1..ebd41ad 100644
--- a/test/unit/api/articles_test.rb
+++ b/test/unit/api/articles_test.rb
@@ -102,6 +102,52 @@ class ArticlesTest < ActiveSupport::TestCase
     end
   end
 
+  should "update body of article created by me" do
+    new_value = "Another body"
+    params[:article] = {:body => new_value} 
+    article = fast_create(Article, :profile_id => person.id)
+    post "/api/v1/articles/#{article.id}?#{params.to_query}"
+    json = JSON.parse(last_response.body)
+    assert_equal new_value, json["article"]["body"]
+  end
+
+  should "update title of article created by me" do
+    new_value = "Another name"
+    params[:article] = {:name => new_value} 
+    article = fast_create(Article, :profile_id => person.id)
+    post "/api/v1/articles/#{article.id}?#{params.to_query}"
+    json = JSON.parse(last_response.body)
+    assert_equal new_value, json["article"]["title"]
+  end
+
+  should 'not update article of another user' do
+    another_person = fast_create(Person, :environment_id => environment.id)
+    article = fast_create(Article, :profile_id => another_person.id)
+    params[:article] = {:title => 'Some title'} 
+    post "/api/v1/articles/#{article.id}?#{params.to_query}"
+    assert_equal 403, last_response.status
+  end
+
+  should 'not update article without permission in community' do
+    community = fast_create(Community, :environment_id => environment.id)
+    article = fast_create(Article, :profile_id => community.id)
+    params[:article] = {:name => 'New title'} 
+    post "/api/v1/articles/#{article.id}?#{params.to_query}"
+    assert_equal 403, last_response.status
+  end
+
+
+  should 'update article of community if user has permission' do
+    community = fast_create(Community, :environment_id => environment.id)
+    give_permission(person, 'post_content', community)
+    article = fast_create(Article, :profile_id => community.id)
+    new_value = "Another body"
+    params[:article] = {:body => new_value} 
+    post "/api/v1/articles/#{article.id}?#{params.to_query}"
+    json = JSON.parse(last_response.body)
+    assert_equal new_value, json["article"]["body"]
+  end
+
   #############################
   #     Profile Articles      #
   #############################
--
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