diff --git a/demo.py b/demo.py
index 32532ac..f248871 100755
--- a/demo.py
+++ b/demo.py
@@ -6,7 +6,7 @@ from flowroutenumbersandmessaging.flowroutenumbersandmessaging_client import Flo
 from flowroutenumbersandmessaging.models import *
 from flowroutenumbersandmessaging.models.new_route import NewRoute
 
-print("Number Control Demo")
+print("Number/Route Management v2 & Messaging v2.1 Demo")
 
 # Set up your api credentials
 basic_auth_user_name = os.environ.get('FR_ACCESS_KEY')
@@ -64,20 +64,18 @@ result = numbers_controller.list_account_phone_numbers(starts_with, ends_with, c
 pprint.pprint(result)
 
 
-#print ("---Create an Inbound Route")
-#request_body = '{
-#  "data": {
-#    "type": "route",
-#    "attributes": {
-#      "route_type": "host",
-#      "value": "www.example.com",
-#      "alias": "new_route_id"
-#    }
-#  }
-#}'
-
-#routepost = NewRoute(json.dumps({"data": {"type": "route", "attributes": {"route_type": "host", "value": "13471654563", "alias": "new_route_56"}}}))
-#result = routes_controller.create_an_inbound_route(routepost)
+print ("---Create an Inbound Route")
+request_body = '{ \
+  "data": { \
+    "type": "route", \
+    "attributes": { \
+      "route_type": "host", \
+      "value": "' + str(number_id) +'", \
+      "alias": "new_route_id" \
+    } \
+  } \
+}'
+
 result = routes_controller.create_an_inbound_route(request_body)
 pprint.pprint(result)
 
@@ -85,19 +83,46 @@ print ("---List Inbound Routes")
 result = routes_controller.list_inbound_routes()
 pprint.pprint(result)
 
-#print ("---Update Primary Voice Route")
-#routeid = result['data'][1]['id']
-#result = routes_controller.update_primary_voice_route()
-#pprint.pprint(result)
-#
-#print ("---Update Failover Voice Route")
-#routeid = result['data'][2]['id']
-#result = routes_controller.update_failover_voice_route()
-#pprint.pprint(result)
+request_body = '{ \
+  "data": { \
+    "type": "route", \
+    "id": "87050" \
+  } \
+}'
+
+print ("---Update Primary Voice Route")
+routeid = result['data'][1]['id']
+result = routes_controller.update_primary_voice_route(number_id, request_body)
+pprint.pprint(result)
+
+request_body = '{ \
+  "data": { \
+    "type": "route", \
+    "id": "87051" \
+  } \
+}'
 
-#print ("---Send A Message")
-#result = messages_controller.send_a_message()
-#pprint.pprint(result)
+print ("---Update Failover Voice Route")
+routeid = result['data'][2]['id']
+result = routes_controller.update_failover_voice_route(number_id, request_body)
+pprint.pprint(result)
+
+request_body = '{ \
+  "data": { \
+    "type": "message", \
+    "attributes": { \
+      "to": "12067392634", \
+      "from": "' + str(testnumber) + '", \
+      "body": "hello there", \
+      "is_mms": "true", \
+      "media_urls": ["http://s3.amazonaws.com/barkpost-assets/50+GIFs/37.gif"] \
+    } \
+  } \
+}'
+
+print ("---Send A Message")
+result = messages_controller.send_a_message(request_body)
+pprint.pprint(result)
 
 print ("---Look Up A Message Detail Record")
 message_id = "mdr2-ca82be46e6ba11e79d08862d092cf73d"
@@ -105,5 +130,5 @@ result = messages_controller.look_up_a_message_detail_record(message_id)
 pprint.pprint(result)
 
 print ("---Look Up A Set Of Messages")
-result = messages_controller.look_up_a_set_of_messages()
+result = messages_controller.look_up_a_set_of_messages('2017-12-31')
 pprint.pprint(result)
diff --git a/flowroutenumbersandmessaging/controllers/messages_controller.py b/flowroutenumbersandmessaging/controllers/messages_controller.py
index b053721..182b22c 100644
--- a/flowroutenumbersandmessaging/controllers/messages_controller.py
+++ b/flowroutenumbersandmessaging/controllers/messages_controller.py
@@ -12,6 +12,7 @@ from ..configuration import Configuration
 from ..http.auth.basic_auth import BasicAuth
 from ..models.mdr_2 import MDR2
 from ..exceptions.error_exception import ErrorException
+import json
 
 class MessagesController(BaseController):
 
@@ -53,13 +54,17 @@ class MessagesController(BaseController):
                 the request.
 
         """
+        parsed_end_date = None
+
+        if end_date is not None:
+          parsed_end_date = APIHelper.RFC3339DateTime(end_date)
 
         # Prepare query URL
         _query_builder = Configuration.base_uri
         _query_builder += '/v2.1/messages'
         _query_parameters = {
             'start_date': APIHelper.RFC3339DateTime(start_date),
-            'end_date': APIHelper.RFC3339DateTime(end_date),
+            'end_date': parsed_end_date,
             'limit': limit,
             'offset': offset
         }
@@ -165,12 +170,12 @@ class MessagesController(BaseController):
 
         # Prepare headers
         _headers = {
-            'accept': 'application/json',
-            'content-type': 'application/json; charset=utf-8'
+            'accept': 'application/vnd.api+json',
+            'content-type': 'application/vnd.api+json; charset=utf-8'
         }
 
         # Prepare and execute request
-        _request = self.http_client.post(_query_url, headers=_headers, parameters=APIHelper.json_serialize(body))
+        _request = self.http_client.post(_query_url, headers=_headers, parameters=APIHelper.json_serialize(json.loads(body)))
         BasicAuth.apply(_request)
         _context = self.execute_request(_request)
 
diff --git a/flowroutenumbersandmessaging/controllers/numbers_controller.py b/flowroutenumbersandmessaging/controllers/numbers_controller.py
index 1ef264a..fcb06b6 100644
--- a/flowroutenumbersandmessaging/controllers/numbers_controller.py
+++ b/flowroutenumbersandmessaging/controllers/numbers_controller.py
@@ -318,6 +318,8 @@ class NumbersController(BaseController):
         _query_builder = APIHelper.append_url_with_template_parameters(_query_builder, { 
             'id': id
         })
+        # Return appropriate type
+        return APIHelper.json_deserialize(_context.response.raw_body)
         _query_url = APIHelper.clean_url(_query_builder)
 
         # Prepare headers
diff --git a/flowroutenumbersandmessaging/controllers/routes_controller.py b/flowroutenumbersandmessaging/controllers/routes_controller.py
index be6a3cb..7acf3e5 100644
--- a/flowroutenumbersandmessaging/controllers/routes_controller.py
+++ b/flowroutenumbersandmessaging/controllers/routes_controller.py
@@ -12,14 +12,14 @@ from ..configuration import Configuration
 from ..http.auth.basic_auth import BasicAuth
 from ..exceptions.error_exception import ErrorException
 from ..exceptions.api_exception import APIException
+import json
 
 class RoutesController(BaseController):
 
     """A Controller to access Endpoints in the flowroutenumbersandmessaging API."""
 
 
-    def create_an_inbound_route(self,
-                                body):
+    def create_an_inbound_route(self, body):
         """Does a POST request to /v2/routes.
 
         Creates a new inbound route which can then be associated with phone
@@ -30,7 +30,7 @@ class RoutesController(BaseController):
             body (NewRoute): The new inbound route to be created.
 
         Returns:
-            void: Response from the API. CREATED
+            string: Response from the API. CREATED
 
         Raises:
             APIException: When an error occurs while fetching the data from
@@ -51,9 +51,10 @@ class RoutesController(BaseController):
         }
 
         # Prepare and execute request
-        _request = self.http_client.post(_query_url, headers=_headers, parameters=APIHelper.json_serialize(body))
+        _request = self.http_client.post(_query_url, headers=_headers, parameters=APIHelper.json_serialize(json.loads(body)))
         BasicAuth.apply(_request)
         _context = self.execute_request(_request)
+        print _context.response.status_code
 
         # Endpoint and global error handling using HTTP status codes.
         if _context.response.status_code == 401:
@@ -62,6 +63,9 @@ class RoutesController(BaseController):
             raise ErrorException('The specified resource was not found', _context)
         self.validate_response(_context)
 
+        # Return appropriate type
+        return APIHelper.json_deserialize(_context.response.raw_body)
+
     def list_inbound_routes(self,
                             limit=None,
                             offset=None):
@@ -118,9 +122,7 @@ class RoutesController(BaseController):
 
         return APIHelper.json_deserialize(_context.response.raw_body)
 
-    def update_primary_voice_route(self,
-                                                      number_id,
-                                                      body):
+    def update_primary_voice_route(self, number_id, body):
         """Does a PATCH request to /v2/numbers/{number_id}/relationships/primary_route.
 
         Use this endpoint to update the primary voice route for a phone
@@ -147,13 +149,13 @@ class RoutesController(BaseController):
         # Prepare query URL
         _query_builder = Configuration.base_uri
         _query_builder += '/v2/numbers/{number_id}/relationships/primary_route'
-        _query_builder = APIHelper.append_url_with_template_parameters(_query_builder, { 
+        _query_builder = APIHelper.append_url_with_template_parameters(_query_builder, {
             'number_id': number_id
         })
         _query_url = APIHelper.clean_url(_query_builder)
 
         # Prepare and execute request
-        _request = self.http_client.patch(_query_url, parameters=str(body))
+        _request = self.http_client.patch(_query_url, parameters=APIHelper.json_serialize(json.loads(body)))
         BasicAuth.apply(_request)
         _context = self.execute_request(_request)
 
@@ -194,13 +196,13 @@ class RoutesController(BaseController):
         # Prepare query URL
         _query_builder = Configuration.base_uri
         _query_builder += '/v2/numbers/{number_id}/relationships/failover_route'
-        _query_builder = APIHelper.append_url_with_template_parameters(_query_builder, { 
+        _query_builder = APIHelper.append_url_with_template_parameters(_query_builder, {
             'number_id': number_id
         })
         _query_url = APIHelper.clean_url(_query_builder)
 
         # Prepare and execute request
-        _request = self.http_client.patch(_query_url, parameters=str(body))
+        _request = self.http_client.patch(_query_url, parameters=APIHelper.json_serialize(json.loads(body)))
         BasicAuth.apply(_request)
         _context = self.execute_request(_request)