diff --git a/lib/instapaper/api/bookmark.rb b/lib/instapaper/api/bookmark.rb
index 3a27f2c..26d8ffd 100644
--- a/lib/instapaper/api/bookmark.rb
+++ b/lib/instapaper/api/bookmark.rb
@@ -1,3 +1,5 @@
+require 'instapaper/bookmark'
+
 module Instapaper
   module API
     # Defines methods related to bookmarks
@@ -7,7 +9,7 @@ module Instapaper
       # @option folder_id: Optional. Possible values are unread (default), starred, archive, or a folder_id value from /api/1/folders/list.
       # @option have: Optional. A concatenation of bookmark_id values that the client already has from the specified folder. See below.
       def bookmarks(options = {})
-        post('/api/1/bookmarks/list', options)[2..-1]
+        perform_post_with_objects('/api/1/bookmarks/list', options, Instapaper::Object)[2..-1]
       end
 
       # Updates the user's reading progress on a single article.
@@ -15,57 +17,52 @@ module Instapaper
       # @param progress [Float] The user's progress, as a floating-point number between 0.0 and 1.0, defined as the top edge of the user's current viewport, expressed as a percentage of the article's total length.
       # @param progress_timestamp [Integer] The Unix timestamp value of the time that the progress was recorded.
       def update_read_progress(bookmark_id, progress, progress_timestamp = Time.now)
-        post('/api/1/bookmarks/update_read_progress', bookmark_id: bookmark_id, progress: progress, progress_timestamp: progress_timestamp.to_i).first
+        perform_post_with_object('/api/1/bookmarks/update_read_progress', {bookmark_id: bookmark_id, progress: progress, progress_timestamp: progress_timestamp.to_i}, Instapaper::Bookmark)
       end
 
       # Adds a new unread bookmark to the user's account.
       # @param url [String] The url of the bookmark.
       def add_bookmark(url, options = {})
-        post('/api/1/bookmarks/add', options.merge(url: url)).first
+        perform_post_with_object('/api/1/bookmarks/add', options.merge(url: url), Instapaper::Bookmark)
       end
 
       # Permanently deletes the specified bookmark.
       # This is NOT the same as Archive. Please be clear to users if you're going to do this.
       # @param bookmark_id [String] The id of the bookmark.
       def delete_bookmark(bookmark_id)
-        post('/api/1/bookmarks/delete', bookmark_id: bookmark_id)
+        perform_post_with_objects('/api/1/bookmarks/delete', {bookmark_id: bookmark_id}, Array)
       end
 
       # Stars the specified bookmark.
       # @param bookmark_id [String] The id of the bookmark.
-      def star(bookmark_id)
-        post('/api/1/bookmarks/star', bookmark_id: bookmark_id).first
+      def star_bookmark(bookmark_id)
+        perform_post_with_object('/api/1/bookmarks/star', {bookmark_id: bookmark_id}, Instapaper::Bookmark)
       end
-      alias_method :star_bookmark, :star
 
       # Un-stars the specified bookmark.
       # @param bookmark_id [String] The id of the bookmark.
-      def unstar(bookmark_id)
-        post('/api/1/bookmarks/unstar', bookmark_id: bookmark_id).first
+      def unstar_bookmark(bookmark_id)
+        perform_post_with_object('/api/1/bookmarks/unstar', {bookmark_id: bookmark_id}, Instapaper::Bookmark)
       end
-      alias_method :unstar_bookmark, :unstar
 
       # Moves the specified bookmark to the Archive.
       # @param bookmark_id [String] The id of the bookmark.
-      def archive(bookmark_id)
-        post('/api/1/bookmarks/archive', bookmark_id: bookmark_id).first
+      def archive_bookmark(bookmark_id)
+        perform_post_with_object('/api/1/bookmarks/archive', {bookmark_id: bookmark_id}, Instapaper::Bookmark)
       end
-      alias_method :archive_bookmark, :archive
 
       # Moves the specified bookmark to the top of the Unread folder.
       # @param bookmark_id [String] The id of the bookmark.
-      def unarchive(bookmark_id)
-        post('/api/1/bookmarks/unarchive', bookmark_id: bookmark_id).first
+      def unarchive_bookmark(bookmark_id)
+        perform_post_with_object('/api/1/bookmarks/unarchive', {bookmark_id: bookmark_id}, Instapaper::Bookmark)
       end
-      alias_method :unarchive_bookmark, :unarchive
 
       # Moves the specified bookmark to a user-created folder.
       # @param bookmark_id [String] The id of the bookmark.
       # @param folder_id [String] The id of the folder to move the bookmark to.
-      def move(bookmark_id, folder_id)
-        post('/api/1/bookmarks/move', bookmark_id: bookmark_id, folder_id: folder_id).first
+      def move_bookmark(bookmark_id, folder_id)
+        perform_post_with_object('/api/1/bookmarks/move', {bookmark_id: bookmark_id, folder_id: folder_id}, Instapaper::Bookmark)
       end
-      alias_method :move_bookmark, :move
 
       # Returns the specified bookmark's processed text-view HTML, which is
       # always text/html encoded as UTF-8.
diff --git a/lib/instapaper/api/utils.rb b/lib/instapaper/api/utils.rb
index dd98933..f7482c0 100644
--- a/lib/instapaper/api/utils.rb
+++ b/lib/instapaper/api/utils.rb
@@ -1,3 +1,5 @@
+require 'instapaper/object'
+
 module Instapaper
   module API
     module Utils
diff --git a/lib/instapaper/bookmark.rb b/lib/instapaper/bookmark.rb
new file mode 100644
index 0000000..2a56b7e
--- /dev/null
+++ b/lib/instapaper/bookmark.rb
@@ -0,0 +1,6 @@
+require 'values'
+
+module Instapaper
+  class Bookmark < Value.new(:type, :bookmark_id, :url, :title, :description, :time, :starred, :private_source, :hash, :progress, :progress_timestamp)
+  end
+end
diff --git a/lib/instapaper/meta.rb b/lib/instapaper/meta.rb
new file mode 100644
index 0000000..898219c
--- /dev/null
+++ b/lib/instapaper/meta.rb
@@ -0,0 +1,6 @@
+require 'values'
+
+module Instapaper
+  class Meta < Value.new(:type)
+  end
+end
diff --git a/lib/instapaper/object.rb b/lib/instapaper/object.rb
new file mode 100644
index 0000000..0a4fc82
--- /dev/null
+++ b/lib/instapaper/object.rb
@@ -0,0 +1,11 @@
+require 'instapaper/meta'
+
+module Instapaper
+  class Object
+    def self.with(data)
+      type = data[:type]
+      type[0] = type[0].upcase
+      Instapaper.const_get(type).with(data)
+    end
+  end
+end
diff --git a/lib/instapaper/user.rb b/lib/instapaper/user.rb
index b07ead1..51c45fb 100644
--- a/lib/instapaper/user.rb
+++ b/lib/instapaper/user.rb
@@ -1,6 +1,6 @@
 require 'values'
 
 module Instapaper
-  class User < Value.new(:type, :user_id, :username)
+  class User < Value.new(:type, :user_id, :username, :subscription_is_active)
   end
 end
diff --git a/spec/instapaper/api/bookmark_spec.rb b/spec/instapaper/api/bookmark_spec.rb
index d1083b4..8c9005a 100644
--- a/spec/instapaper/api/bookmark_spec.rb
+++ b/spec/instapaper/api/bookmark_spec.rb
@@ -3,7 +3,7 @@ require 'spec_helper'
 describe Instapaper::Client::Bookmark do
   let(:client) { Instapaper::Client.new(consumer_key: 'CK', consumer_secret: 'CS', oauth_token: 'OT', oauth_token_secret: 'OS') }
 
-  describe '.bookmarks' do
+  describe '#bookmarks' do
     before do
       stub_post('/api/1/bookmarks/list')
         .to_return(body: fixture('bookmarks_list.json'), headers: {content_type: 'application/json; charset=utf-8'})
@@ -24,13 +24,12 @@ describe Instapaper::Client::Bookmark do
     it 'should remove the meta and current user objects from the array' do
       bookmarks = client.bookmarks
       bookmarks.each do |bookmark|
-        expect(bookmark).to be_a Hashie::Rash
-        expect(bookmark.type).to eq('bookmark')
+        expect(bookmark).to be_an Instapaper::Bookmark
       end
     end
   end
 
-  describe '.update_read_progress' do
+  describe '#update_read_progress' do
     before do
       @time = Time.now
       stub_post('/api/1/bookmarks/update_read_progress')
@@ -45,13 +44,12 @@ describe Instapaper::Client::Bookmark do
 
     it 'should return an array containing bookmarks on success' do
       bookmark = client.update_read_progress(123, 0.5, @time)
-      expect(bookmark).to be_a Hashie::Rash
-      expect(bookmark.type).to eq('bookmark')
+      expect(bookmark).to be_an Instapaper::Bookmark
       expect(bookmark.progress).to eq('0.5')
     end
   end
 
-  describe '.add_bookmark' do
+  describe '#add_bookmark' do
     before do
       stub_post('/api/1/bookmarks/add')
         .to_return(body: fixture('bookmarks_add.json'), headers: {content_type: 'application/json; charset=utf-8'})
@@ -65,12 +63,11 @@ describe Instapaper::Client::Bookmark do
 
     it 'should return the bookmark on success' do
       bookmark = client.add_bookmark('http://someurl.com', title: 'This is the title', description: 'This is the description')
-      expect(bookmark).to be_a Hashie::Rash
-      expect(bookmark.type).to eq('bookmark')
+      expect(bookmark).to be_an Instapaper::Bookmark
     end
   end
 
-  describe '.delete_bookmark' do
+  describe '#delete_bookmark' do
     before do
       stub_post('/api/1/bookmarks/delete')
         .to_return(body: '[]', headers: {content_type: 'application/json; charset=utf-8'})
@@ -89,120 +86,95 @@ describe Instapaper::Client::Bookmark do
     end
   end
 
-  describe '.star' do
+  describe '#star_bookmark' do
     before do
       stub_post('/api/1/bookmarks/star')
         .to_return(body: fixture('bookmarks_star.json'), headers: {content_type: 'application/json; charset=utf-8'})
     end
 
     it 'should get the correct resource' do
-      client.star(123)
+      client.star_bookmark(123)
       expect(a_post('/api/1/bookmarks/star').with(body: {bookmark_id: '123'}))
         .to have_been_made
     end
 
     it 'should return a starred bookmark on success' do
-      bookmark = client.star(123)
-      expect(bookmark).to be_a Hashie::Rash
-      expect(bookmark.type).to eq('bookmark')
+      bookmark = client.star_bookmark(123)
+      expect(bookmark).to be_an Instapaper::Bookmark
       expect(bookmark.starred).to eq('1')
     end
-
-    it 'should be aliased as .star_bookmark' do
-      expect(client.star(123)).to eq(client.star_bookmark(123))
-    end
   end
 
-  describe '.unstar' do
+  describe '#unstar_bookmark' do
     before do
       stub_post('/api/1/bookmarks/unstar')
         .to_return(body: fixture('bookmarks_unstar.json'), headers: {content_type: 'application/json; charset=utf-8'})
     end
 
     it 'should get the correct resource' do
-      client.unstar(123)
+      client.unstar_bookmark(123)
       expect(a_post('/api/1/bookmarks/unstar').with(body: {bookmark_id: '123'}))
         .to have_been_made
     end
 
     it 'should return an unstarred bookmark on success' do
-      bookmark = client.unstar(123)
-      expect(bookmark).to be_a Hashie::Rash
-      expect(bookmark.type).to eq('bookmark')
+      bookmark = client.unstar_bookmark(123)
+      expect(bookmark).to be_an Instapaper::Bookmark
       expect(bookmark.starred).to eq('0')
     end
-
-    it 'should be aliased as .unstar_bookmark' do
-      expect(client.unstar(123)).to eq(client.unstar_bookmark(123))
-    end
   end
 
-  describe '.archive' do
+  describe '#archive_bookmark' do
     before do
       stub_post('/api/1/bookmarks/archive')
         .to_return(body: fixture('bookmarks_archive.json'), headers: {content_type: 'application/json; charset=utf-8'})
     end
 
     it 'should get the correct resource' do
-      client.archive(123)
+      client.archive_bookmark(123)
       expect(a_post('/api/1/bookmarks/archive').with(body: {bookmark_id: '123'}))
         .to have_been_made
     end
 
     it 'should return the bookmark on success' do
-      bookmark = client.archive(123)
-      expect(bookmark).to be_a Hashie::Rash
-      expect(bookmark.type).to eq('bookmark')
-    end
-
-    it 'should be aliased as .archive_bookmark' do
-      expect(client.archive(123)).to eq(client.archive_bookmark(123))
+      bookmark = client.archive_bookmark(123)
+      expect(bookmark).to be_an Instapaper::Bookmark
     end
   end
 
-  describe '.unarchive' do
+  describe '#unarchive_bookmark' do
     before do
       stub_post('/api/1/bookmarks/unarchive')
         .to_return(body: fixture('bookmarks_unarchive.json'), headers: {content_type: 'application/json; charset=utf-8'})
     end
 
     it 'should get the correct resource' do
-      client.unarchive(123)
+      client.unarchive_bookmark(123)
       expect(a_post('/api/1/bookmarks/unarchive').with(body: {bookmark_id: '123'}))
         .to have_been_made
     end
 
     it 'should return the bookmark on success' do
-      bookmark = client.unarchive(123)
-      expect(bookmark).to be_a Hashie::Rash
-      expect(bookmark.type).to eq('bookmark')
-    end
-
-    it 'should be aliased as .unarchive_bookmark' do
-      expect(client.unarchive(123)).to eq(client.unarchive_bookmark(123))
+      bookmark = client.unarchive_bookmark(123)
+      expect(bookmark).to be_an Instapaper::Bookmark
     end
   end
 
-  describe '.move' do
+  describe '#move_bookmark' do
     before do
       stub_post('/api/1/bookmarks/move')
         .to_return(body: fixture('bookmarks_move.json'), headers: {content_type: 'application/json; charset=utf-8'})
     end
 
     it 'should get the correct resource' do
-      client.move(123, 12_345)
+      client.move_bookmark(123, 12_345)
       expect(a_post('/api/1/bookmarks/move').with(body: {bookmark_id: '123', folder_id: '12345'}))
         .to have_been_made
     end
 
     it 'should return the bookmark on success' do
-      bookmark = client.move(123, 12_345)
-      expect(bookmark).to be_a Hashie::Rash
-      expect(bookmark.type).to eq('bookmark')
-    end
-
-    it 'should be aliased as .move_bookmark' do
-      expect(client.move(123, 12_345)).to eq(client.move_bookmark(123, 12_345))
+      bookmark = client.move_bookmark(123, 12_345)
+      expect(bookmark).to be_an Instapaper::Bookmark
     end
   end