diff --git a/gems.gemspec b/gems.gemspec
index e1ea9f9..c1bb208 100644
--- a/gems.gemspec
+++ b/gems.gemspec
@@ -10,9 +10,7 @@ Gem::Specification.new do |gem|
   gem.add_development_dependency 'webmock', '~> 1.6'
   gem.add_development_dependency 'yard', '~> 0.7'
   gem.add_runtime_dependency 'faraday', '~> 0.6.1'
-  gem.add_runtime_dependency 'faraday_middleware', '~> 0.6.5'
   gem.add_runtime_dependency 'multi_json', '~> 1.0.3'
-  gem.add_runtime_dependency 'multi_xml', '~> 0.2.2'
 
   gem.authors       = ["Erik Michaels-Ober"]
   gem.email         = ['sferik@gmail.com']
diff --git a/lib/gems/client.rb b/lib/gems/client.rb
index 530b046..89e4f36 100644
--- a/lib/gems/client.rb
+++ b/lib/gems/client.rb
@@ -2,6 +2,8 @@
 require 'gems/configuration'
 require 'gems/connection'
 require 'gems/request'
+require 'multi_json'
+require 'yaml'
 
 module Gems
   class Client
@@ -23,8 +25,8 @@ def initialize(options={})
     # @example
     #   Gems.info 'rails'
     def info(gem_name)
-      response = get("/api/v1/gems/#{gem_name}")
-      format.to_s.downcase == 'xml' ? response['rubygem'] : response
+      response = get("/api/v1/gems/#{gem_name}.json")
+      MultiJson.decode(response)
     end
 
     # Returns an array of active gems that match the query
@@ -34,8 +36,8 @@ def info(gem_name)
     # @example
     #   Gems.search 'cucumber'
     def search(query)
-      response = get("/api/v1/search", {:query => query})
-      format.to_s.downcase == 'xml' ? response['rubygems'] : response
+      response = get("/api/v1/search.json", {:query => query})
+      MultiJson.decode(response)
     end
 
     # Returns an array of gem version details
@@ -45,7 +47,8 @@ def search(query)
     # @example
     #   Gems.versions 'coulda'
     def versions(gem_name)
-      get("/api/v1/versions/#{gem_name}", {}, :json)
+      response = get("/api/v1/versions/#{gem_name}.json")
+      MultiJson.decode(response)
     end
 
     # Returns the number of downloads by day for a particular gem version
@@ -59,11 +62,12 @@ def versions(gem_name)
     #   Gems.downloads 'coulda', '0.6.3', Date.today - 30, Date.today
     def downloads(gem_name, gem_version=nil, from=nil, to=Date.today)
       gem_version ||= info(gem_name)['version']
-      if from
-        get("/api/v1/versions/#{gem_name}-#{gem_version}/downloads/search", {:from => from.to_s, :to => to.to_s}, :json)
+      response = if from
+        get("/api/v1/versions/#{gem_name}-#{gem_version}/downloads/search.json", {:from => from.to_s, :to => to.to_s})
       else
-        get("/api/v1/versions/#{gem_name}-#{gem_version}/downloads", {}, :json)
+        get("/api/v1/versions/#{gem_name}-#{gem_version}/downloads.json")
       end
+      MultiJson.decode(response)
     end
 
     # Returns an array of hashes for all versions of given gems
@@ -73,7 +77,8 @@ def downloads(gem_name, gem_version=nil, from=nil, to=Date.today)
     # @example
     #   Gems.dependencies 'rails', 'thor'
     def dependencies(*gems)
-      get('/api/v1/dependencies', {:gems => gems.join(',')}, :marshal)
+      response = get('/api/v1/dependencies', {:gems => gems.join(',')})
+      Marshal.load(response)
     end
 
     # Retrieve your API key using HTTP basic auth
@@ -86,7 +91,7 @@ def dependencies(*gems)
     #   end
     #   Gems.api_key
     def api_key
-      get('/api/v1/api_key', {}, :raw)
+      get('/api/v1/api_key')
     end
 
     # List all gems that you own
@@ -95,8 +100,8 @@ def api_key
     # @example
     #   Gems.gems
     def gems
-      response = get("/api/v1/gems")
-      format.to_s.downcase == 'xml' ? response['rubygems'] : response
+      response = get("/api/v1/gems.json")
+      MultiJson.decode(response)
     end
 
     # View all owners of a gem that you own
@@ -106,7 +111,8 @@ def gems
     # @example
     #   Gems.owners 'gemcutter'
     def owners(gem_name)
-      get("/api/v1/gems/#{gem_name}/owners")
+      response = get("/api/v1/gems/#{gem_name}/owners.yaml")
+      YAML.load(response)
     end
 
     # Add an owner to a RubyGem you own, giving that user permission to manage it
@@ -117,7 +123,7 @@ def owners(gem_name)
     # @example
     #   Gems.add_owner 'gemcutter', 'josh@technicalpickles.com'
     def add_owner(gem_name, owner)
-      post("/api/v1/gems/#{gem_name}/owners", {:email => owner}, :raw)
+      post("/api/v1/gems/#{gem_name}/owners", {:email => owner})
     end
 
     # Remove a user's permission to manage a RubyGem you own
@@ -128,7 +134,7 @@ def add_owner(gem_name, owner)
     # @example
     #   Gems.remove_owner 'gemcutter', 'josh@technicalpickles.com'
     def remove_owner(gem_name, owner)
-      delete("/api/v1/gems/#{gem_name}/owners", {:email => owner}, :raw)
+      delete("/api/v1/gems/#{gem_name}/owners", {:email => owner})
     end
 
     # List the webhooks registered under your account
@@ -137,7 +143,8 @@ def remove_owner(gem_name, owner)
     # @example
     #   Gems.web_hooks
     def web_hooks
-      get("/api/v1/web_hooks", {}, :json)
+      response = get("/api/v1/web_hooks.json")
+      MultiJson.decode(response)
     end
 
     # Create a webhook
@@ -148,7 +155,7 @@ def web_hooks
     # @example
     #   Gems.add_web_hook 'rails', 'http://example.com'
     def add_web_hook(gem_name, url)
-      post("/api/v1/web_hooks", {:gem_name => gem_name, :url => url}, :raw)
+      post("/api/v1/web_hooks", {:gem_name => gem_name, :url => url})
     end
 
     # Remove a webhook
@@ -159,7 +166,7 @@ def add_web_hook(gem_name, url)
     # @example
     #   Gems.remove_web_hook 'rails', 'http://example.com'
     def remove_web_hook(gem_name, url)
-      delete("/api/v1/web_hooks/remove", {:gem_name => gem_name, :url => url}, :raw)
+      delete("/api/v1/web_hooks/remove", {:gem_name => gem_name, :url => url})
     end
 
     # Test fire a webhook
@@ -170,7 +177,7 @@ def remove_web_hook(gem_name, url)
     # @example
     #   Gems.fire_web_hook 'rails', 'http://example.com'
     def fire_web_hook(gem_name, url)
-      post("/api/v1/web_hooks/fire", {:gem_name => gem_name, :url => url}, :raw)
+      post("/api/v1/web_hooks/fire", {:gem_name => gem_name, :url => url})
     end
 
     # Submit a gem to RubyGems.org
@@ -180,7 +187,7 @@ def fire_web_hook(gem_name, url)
     # @example
     #   Gems.push File.new 'pkg/gemcutter-0.2.1.gem', 'rb'
     def push(gem)
-      post("/api/v1/gems", gem.read, :raw, 'application/octet-stream')
+      post("/api/v1/gems", gem.read, 'application/octet-stream')
     end
 
     # Remove a gem from RubyGems.org's index
@@ -194,7 +201,7 @@ def push(gem)
     #   Gems.yank "gemcutter", "0.2.1", {:platform => "x86-darwin-10"}
     def yank(gem_name, gem_version=nil, options={})
       gem_version ||= info(gem_name)['version']
-      delete("/api/v1/gems/yank", options.merge(:gem_name => gem_name, :version => gem_version), :raw)
+      delete("/api/v1/gems/yank", options.merge(:gem_name => gem_name, :version => gem_version))
     end
 
     # Update a previously yanked gem back into RubyGems.org's index
@@ -208,7 +215,7 @@ def yank(gem_name, gem_version=nil, options={})
     #   Gems.unyank "gemcutter", "0.2.1", {:platform => "x86-darwin-10"}
     def unyank(gem_name, gem_version=nil, options={})
       gem_version ||= info(gem_name)['version']
-      put("/api/v1/gems/unyank", options.merge(:gem_name => gem_name, :version => gem_version), :raw)
+      put("/api/v1/gems/unyank", options.merge(:gem_name => gem_name, :version => gem_version))
     end
   end
 end
diff --git a/lib/gems/configuration.rb b/lib/gems/configuration.rb
index f7779d4..b57bf7a 100644
--- a/lib/gems/configuration.rb
+++ b/lib/gems/configuration.rb
@@ -6,7 +6,6 @@ module Gems
   module Configuration
     # An array of valid keys in the options hash when configuring a {Gems::Client}
     VALID_OPTIONS_KEYS = [
-      :format,
       :host,
       :key,
       :password,
@@ -14,11 +13,6 @@ module Configuration
       :username,
     ]
 
-    # Set the default response format appended to the path
-    #
-    # @note JSON is preferred over XML because it is more concise and faster to parse.
-    DEFAULT_FORMAT = :json.freeze
-
     # Set the default API endpoint
     DEFAULT_HOST = ENV['RUBYGEMS_HOST'] ? ENV['RUBYGEMS_HOST'].freeze : Gem.host.freeze
 
@@ -49,7 +43,6 @@ def options
 
     # Reset all configuration options to defaults
     def reset
-      self.format     = DEFAULT_FORMAT
       self.host       = DEFAULT_HOST
       self.key        = DEFAULT_KEY
       self.password   = nil
diff --git a/lib/gems/connection.rb b/lib/gems/connection.rb
index 45de10f..fd60e0a 100644
--- a/lib/gems/connection.rb
+++ b/lib/gems/connection.rb
@@ -1,8 +1,8 @@
-require 'faraday_middleware'
+require 'faraday'
 
 module Gems
   module Connection
-    def connection(content_length=nil, content_type=nil, format=foramt)
+    def connection(content_length=nil, content_type=nil)
       options = {
         :headers => {
           :user_agent => user_agent,
@@ -17,16 +17,6 @@ def connection(content_length=nil, content_type=nil, format=foramt)
 
       connection = Faraday.new(options) do |connection|
         connection.use Faraday::Request::UrlEncoded unless content_type
-        case format.to_s.downcase
-        when 'json'
-          connection.use Faraday::Response::ParseJson
-        when 'marshal'
-          connection.use Faraday::Response::ParseMarshal
-        when 'xml'
-          connection.use Faraday::Response::ParseXml
-        when 'yaml'
-          connection.use Faraday::Response::ParseYaml
-        end
         connection.use Faraday::Response::RaiseError
         connection.adapter Faraday.default_adapter
       end
diff --git a/lib/gems/request.rb b/lib/gems/request.rb
index d0aad3c..6e048dc 100644
--- a/lib/gems/request.rb
+++ b/lib/gems/request.rb
@@ -2,48 +2,39 @@
 
 module Gems
   module Request
-    def delete(path, options={}, format=format, content_type=nil)
-      request(:delete, path, options, format, content_type)
+    def delete(path, options={}, content_type=nil)
+      request(:delete, path, options, content_type)
     end
 
-    def get(path, options={}, format=format, content_type=nil)
-      request(:get, path, options, format, content_type)
+    def get(path, options={}, content_type=nil)
+      request(:get, path, options, content_type)
     end
 
-    def post(path, options={}, format=format, content_type=nil)
-      request(:post, path, options, format, content_type)
+    def post(path, options={}, content_type=nil)
+      request(:post, path, options, content_type)
     end
 
-    def put(path, options={}, format=format, content_type=nil)
-      request(:put, path, options, format, content_type)
+    def put(path, options={}, content_type=nil)
+      request(:put, path, options, content_type)
     end
 
     private
 
-    def request(method, path, options, format, content_type)
+    def request(method, path, options, content_type)
       content_length = case content_type
       when 'application/octet-stream'
         options.size
       end
-      response = connection(content_length, content_type, format).send(method) do |request|
+      response = connection(content_length, content_type).send(method) do |request|
         case method
         when :delete, :get
-          request.url(formatted_path(path, format), options)
+          request.url(path, options)
         when :post, :put
-          request.path = formatted_path(path, format)
+          request.path = path
           request.body = options unless options == {}
         end
       end
       response.body
     end
-
-    def formatted_path(path, format)
-      case format.to_s.downcase
-      when 'json', 'xml', 'yaml'
-        [path, format].compact.join('.')
-      when 'marshal', 'raw'
-        path
-      end
-    end
   end
 end
diff --git a/spec/gems/client_spec.rb b/spec/gems/client_spec.rb
index 633830f..88c8e9e 100644
--- a/spec/gems/client_spec.rb
+++ b/spec/gems/client_spec.rb
@@ -6,42 +6,32 @@
   end
 
   describe ".info" do
-    %w(json xml).each do |format|
-      context "with format #{format}" do
-        before do
-          Gems.format = format
-          stub_get("/api/v1/gems/rails.#{format}").
-            to_return(:body => fixture("rails.#{format}"))
-        end
-
-        it "should return some basic information about the given gem" do
-          info = Gems.info 'rails'
-          a_get("/api/v1/gems/rails.#{format}").
-            should have_been_made
-          info['name'].should == 'rails'
-        end
-      end
+    before do
+      stub_get("/api/v1/gems/rails.json").
+        to_return(:body => fixture("rails.json"))
+    end
+
+    it "should return some basic information about the given gem" do
+      info = Gems.info 'rails'
+      a_get("/api/v1/gems/rails.json").
+        should have_been_made
+      info['name'].should == 'rails'
     end
   end
 
   describe ".search" do
-    %w(json xml).each do |format|
-      context "with format #{format}" do
-        before do
-          Gems.format = format
-          stub_get("/api/v1/search.#{format}").
-            with(:query => {"query" => "cucumber"}).
-            to_return(:body => fixture("search.#{format}"))
-        end
-
-        it "should return an array of active gems that match the query" do
-          search = Gems.search 'cucumber'
-          a_get("/api/v1/search.#{format}").
-            with(:query => {"query" => "cucumber"}).
-            should have_been_made
-          search.first['name'].should == 'cucumber'
-        end
-      end
+    before do
+      stub_get("/api/v1/search.json").
+        with(:query => {"query" => "cucumber"}).
+        to_return(:body => fixture("search.json"))
+    end
+
+    it "should return an array of active gems that match the query" do
+      search = Gems.search 'cucumber'
+      a_get("/api/v1/search.json").
+        with(:query => {"query" => "cucumber"}).
+        should have_been_made
+      search.first['name'].should == 'cucumber'
     end
   end
 
@@ -158,40 +148,30 @@
   end
 
   describe ".gems" do
-    %w(json xml).each do |format|
-      context "with format #{format}" do
-        before do
-          Gems.format = format
-          stub_get("/api/v1/gems.#{format}").
-            to_return(:body => fixture("gems.#{format}"))
-        end
-
-        it "should list all gems that you own" do
-          gems = Gems.gems
-          a_get("/api/v1/gems.#{format}").
-            should have_been_made
-          gems.first['name'].should == "congress"
-        end
-      end
+    before do
+      stub_get("/api/v1/gems.json").
+        to_return(:body => fixture("gems.json"))
+    end
+
+    it "should list all gems that you own" do
+      gems = Gems.gems
+      a_get("/api/v1/gems.json").
+        should have_been_made
+      gems.first['name'].should == "congress"
     end
   end
 
   describe ".owners" do
-    %w(json yaml).each do |format|
-      context "with format #{format}" do
-        before do
-          Gems.format = format
-          stub_get("/api/v1/gems/gems/owners.#{format}").
-            to_return(:body => fixture("owners.#{format}"))
-        end
-
-        it "should list all owners of a gem" do
-          owners = Gems.owners("gems")
-          a_get("/api/v1/gems/gems/owners.#{format}").
-            should have_been_made
-          owners.first['email'].should == "sferik@gmail.com"
-        end
-      end
+    before do
+      stub_get("/api/v1/gems/gems/owners.yaml").
+        to_return(:body => fixture("owners.yaml"))
+    end
+
+    it "should list all owners of a gem" do
+      owners = Gems.owners("gems")
+      a_get("/api/v1/gems/gems/owners.yaml").
+        should have_been_made
+      owners.first['email'].should == "sferik@gmail.com"
     end
   end
 
diff --git a/spec/gems_spec.rb b/spec/gems_spec.rb
index f16623d..e39e461 100644
--- a/spec/gems_spec.rb
+++ b/spec/gems_spec.rb
@@ -30,16 +30,16 @@
     end
   end
 
-  describe ".format" do
-    it "should return the default format" do
-      Gems.format.should == Gems::Configuration::DEFAULT_FORMAT
+  describe ".host" do
+    it "should return the default host" do
+      Gems.host.should == Gems::Configuration::DEFAULT_HOST
     end
   end
 
-  describe ".format=" do
-    it "should set the format" do
-      Gems.format = 'xml'
-      Gems.format.should == 'xml'
+  describe ".host=" do
+    it "should set the host" do
+      Gems.host = 'http://localhost:3000'
+      Gems.host.should == 'http://localhost:3000'
     end
   end
 
@@ -50,7 +50,7 @@
   end
 
   describe ".user_agent=" do
-    it "should set the user_agent" do
+    it "should set the user agent" do
       Gems.user_agent = 'Custom User Agent'
       Gems.user_agent.should == 'Custom User Agent'
     end