diff --git a/VERSION b/VERSION
index 4e379d2..bcab45a 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.0.2
+0.0.3
diff --git a/lib/pay_request.rb b/lib/request.rb
similarity index 54%
rename from lib/pay_request.rb
rename to lib/request.rb
index 380ed00..586780d 100644
--- a/lib/pay_request.rb
+++ b/lib/request.rb
@@ -1,85 +1,59 @@
-require 'net/http'
-require 'net/https'
-require 'json'
-require 'config'
-require 'pay_response'
+require 'abstract_request'
 
 module PaypalAdaptive
-  class NoDataError < Exception
-  end
-  
-  class PayRequest
-    attr_accessor :pay_key
-    attr_accessor :errors
-    attr_accessor :env
-    
-    def initialize(env = nil)
-      @env = env
-      @@config ||= PaypalAdaptive::Config.new(@env)
-      @@api_base_url ||= @@config.api_base_url 
-      @@headers ||= @@config.headers
-    end
+  class PaypalRequest < PaypalAdaptive::AbstractRequest
 
     def validate
       #TODO the receiverList field not validating properly
-      
+
       # @@schema_filepath = "../lib/pay_request_schema.json"
       # @@schema = File.open(@@schema_filepath, "rb"){|f| JSON.parse(f.read)}
       # see page 42 of PP Adaptive Payments PDF for explanation of all fields.
       #JSON::Schema.validate(@data, @@schema)
     end
-    
+
     def pay(data)
       raise NoDataError unless data
-      
-      call_api(data, "/AdaptivePayments/Pay")
+
+      response_data = call_api(data, "/AdaptivePayments/Pay")
+      PaypalAdaptive::PayResponse.new(response_data, @env)
     end
-    
+  
     def payment_details(data)
       raise NoDataError unless data
-      
+
       call_api(data, "/AdaptivePayments/PaymentDetails")
     end
 
     def preapproval(data)
       raise NoDataError unless data
-      
+
       call_api(data, "/AdaptivePayments/Preapproval")
     end
 
     def preapproval_details(data)
       raise NoDataError unless data
-      
+
       call_api(data, "/AdaptivePayments/PreapprovalDetails")
     end
 
     def cancel_preapproval(data)
       raise NoDataError unless data
-      
+
       call_api(data, "/AdaptivePayments/CancelPreapproval")
     end
 
     def convert_currency(data)
       raise NoDataError unless data
-      
+
       call_api(data, "/AdaptivePayments/ConvertCurrency")
     end
 
     def refund(data)
       raise NoDataError unless data
-      
+
       call_api(data, "/AdaptivePayments/Refund")
-    end
-    
-    def call_api(data, path)
-      #hack fix: JSON.unparse doesn't work in Rails 2.3.5; only {}.to_json does..
-      api_request_data = JSON.unparse(data) rescue data.to_json
-      url = URI.parse @@api_base_url
-      http = Net::HTTP.new(url.host, 443)
-      http.use_ssl = (url.scheme == 'https')
-      
-      resp, response_data = http.post(path, api_request_data, @@headers)
-      pp_response = PaypalAdaptive::PayResponse.new(response_data, @env)
-    end
+    end    
   end
+
 end
\ No newline at end of file
diff --git a/lib/pay_response.rb b/lib/response.rb
similarity index 87%
rename from lib/pay_response.rb
rename to lib/response.rb
index 3489432..86ab801 100644
--- a/lib/pay_response.rb
+++ b/lib/response.rb
@@ -1,12 +1,10 @@
-require 'json'
-
 module PaypalAdaptive
-  class PayResponse
+  class Response    
     def initialize(response, env=nil)
       @@config ||= PaypalAdaptive::Config.new(env)
       @@paypal_base_url ||= @@config.paypal_base_url
       
-      @json_response = JSON.parse(response)
+      @json_response = response
     end
     
     def success?
diff --git a/test/payment_details_test.rb b/test/payment_details_test.rb
new file mode 100644
index 0000000..e69de29