diff --git a/tempest/api/compute/admin/test_networks.py b/tempest/api/compute/admin/test_networks.py
index 75f3199..898d085 100644
--- a/tempest/api/compute/admin/test_networks.py
+++ b/tempest/api/compute/admin/test_networks.py
@@ -34,7 +34,7 @@
         cls.client = cls.os_adm.networks_client
 
     def test_get_network(self):
-        resp, networks = self.client.list_networks()
+        networks = self.client.list_networks()
         configured_network = [x for x in networks if x['label'] ==
                               CONF.compute.fixed_network_name]
         self.assertEqual(1, len(configured_network),
@@ -42,11 +42,11 @@
                              len(configured_network),
                              CONF.compute.fixed_network_name))
         configured_network = configured_network[0]
-        _, network = self.client.get_network(configured_network['id'])
+        network = self.client.get_network(configured_network['id'])
         self.assertEqual(configured_network['label'], network['label'])
 
     def test_list_all_networks(self):
-        _, networks = self.client.list_networks()
+        networks = self.client.list_networks()
         # Check the configured network is in the list
         configured_network = CONF.compute.fixed_network_name
         self.assertIn(configured_network, [x['label'] for x in networks])
diff --git a/tempest/api/compute/servers/test_attach_interfaces.py b/tempest/api/compute/servers/test_attach_interfaces.py
index c0b58ff..54775a1 100644
--- a/tempest/api/compute/servers/test_attach_interfaces.py
+++ b/tempest/api/compute/servers/test_attach_interfaces.py
@@ -50,36 +50,32 @@
 
     def _create_server_get_interfaces(self):
         server = self.create_test_server(wait_until='ACTIVE')
-        resp, ifs = self.client.list_interfaces(server['id'])
-        self.assertEqual(200, resp.status)
-        resp, body = self.client.wait_for_interface_status(
+        ifs = self.client.list_interfaces(server['id'])
+        body = self.client.wait_for_interface_status(
             server['id'], ifs[0]['port_id'], 'ACTIVE')
         ifs[0]['port_state'] = body['port_state']
         return server, ifs
 
     def _test_create_interface(self, server):
-        resp, iface = self.client.create_interface(server['id'])
-        self.assertEqual(200, resp.status)
-        resp, iface = self.client.wait_for_interface_status(
+        iface = self.client.create_interface(server['id'])
+        iface = self.client.wait_for_interface_status(
             server['id'], iface['port_id'], 'ACTIVE')
         self._check_interface(iface)
         return iface
 
     def _test_create_interface_by_network_id(self, server, ifs):
         network_id = ifs[0]['net_id']
-        resp, iface = self.client.create_interface(server['id'],
-                                                   network_id=network_id)
-        self.assertEqual(200, resp.status)
-        resp, iface = self.client.wait_for_interface_status(
+        iface = self.client.create_interface(server['id'],
+                                             network_id=network_id)
+        iface = self.client.wait_for_interface_status(
             server['id'], iface['port_id'], 'ACTIVE')
         self._check_interface(iface, network_id=network_id)
         return iface
 
     def _test_show_interface(self, server, ifs):
         iface = ifs[0]
-        resp, _iface = self.client.show_interface(server['id'],
-                                                  iface['port_id'])
-        self.assertEqual(200, resp.status)
+        _iface = self.client.show_interface(server['id'],
+                                            iface['port_id'])
         self._check_interface(iface, port_id=_iface['port_id'],
                               network_id=_iface['net_id'],
                               fixed_ip=_iface['fixed_ips'][0]['ip_address'],
@@ -88,14 +84,13 @@
     def _test_delete_interface(self, server, ifs):
         # NOTE(danms): delete not the first or last, but one in the middle
         iface = ifs[1]
-        resp, _ = self.client.delete_interface(server['id'], iface['port_id'])
-        self.assertEqual(202, resp.status)
-        _ifs = self.client.list_interfaces(server['id'])[1]
+        self.client.delete_interface(server['id'], iface['port_id'])
+        _ifs = self.client.list_interfaces(server['id'])
         start = int(time.time())
 
         while len(ifs) == len(_ifs):
             time.sleep(self.build_interval)
-            _ifs = self.client.list_interfaces(server['id'])[1]
+            _ifs = self.client.list_interfaces(server['id'])
             timed_out = int(time.time()) - start >= self.build_timeout
             if len(ifs) == len(_ifs) and timed_out:
                 message = ('Failed to delete interface within '
@@ -127,7 +122,7 @@
         iface = self._test_create_interface_by_network_id(server, ifs)
         ifs.append(iface)
 
-        resp, _ifs = self.client.list_interfaces(server['id'])
+        _ifs = self.client.list_interfaces(server['id'])
         self._compare_iface_list(ifs, _ifs)
 
         self._test_show_interface(server, ifs)
@@ -144,9 +139,7 @@
         self.assertTrue(interface_count > 0)
         self._check_interface(ifs[0])
         network_id = ifs[0]['net_id']
-        resp, body = self.client.add_fixed_ip(server['id'],
-                                              network_id)
-        self.assertEqual(202, resp.status)
+        self.client.add_fixed_ip(server['id'], network_id)
         # Remove the fixed IP from server.
         server_detail = self.os.servers_client.get_server(
             server['id'])
@@ -159,6 +152,4 @@
                     break
             if fixed_ip is not None:
                 break
-        resp, body = self.client.remove_fixed_ip(server['id'],
-                                                 fixed_ip)
-        self.assertEqual(202, resp.status)
+        self.client.remove_fixed_ip(server['id'], fixed_ip)
diff --git a/tempest/api/compute/test_networks.py b/tempest/api/compute/test_networks.py
index 86779b3..033f4a5 100644
--- a/tempest/api/compute/test_networks.py
+++ b/tempest/api/compute/test_networks.py
@@ -29,5 +29,5 @@
 
     @test.attr(type='gate')
     def test_list_networks(self):
-        _, networks = self.client.list_networks()
+        networks = self.client.list_networks()
         self.assertNotEmpty(networks, "No networks found.")
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index 265f9e5..4e85222 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -230,7 +230,7 @@
         port_list = self._list_ports(device_id=server['id'])
         self.assertEqual(1, len(port_list))
         old_port = port_list[0]
-        _, interface = self.interface_client.create_interface(
+        interface = self.interface_client.create_interface(
             server=server['id'],
             network_id=self.new_net.id)
         self.addCleanup(self.network_client.wait_for_resource_deletion,
diff --git a/tempest/services/compute/json/interfaces_client.py b/tempest/services/compute/json/interfaces_client.py
index 595b23c..0c5516c 100644
--- a/tempest/services/compute/json/interfaces_client.py
+++ b/tempest/services/compute/json/interfaces_client.py
@@ -29,7 +29,8 @@
         resp, body = self.get('servers/%s/os-interface' % server)
         body = json.loads(body)
         self.validate_response(schema.list_interfaces, resp, body)
-        return resp, body['interfaceAttachments']
+        return service_client.ResponseBodyList(resp,
+                                               body['interfaceAttachments'])
 
     def create_interface(self, server, port_id=None, network_id=None,
                          fixed_ip=None):
@@ -45,28 +46,28 @@
         resp, body = self.post('servers/%s/os-interface' % server,
                                body=post_body)
         body = json.loads(body)
-        return resp, body['interfaceAttachment']
+        return service_client.ResponseBody(resp, body['interfaceAttachment'])
 
     def show_interface(self, server, port_id):
         resp, body = self.get('servers/%s/os-interface/%s' % (server, port_id))
         body = json.loads(body)
-        return resp, body['interfaceAttachment']
+        return service_client.ResponseBody(resp, body['interfaceAttachment'])
 
     def delete_interface(self, server, port_id):
         resp, body = self.delete('servers/%s/os-interface/%s' % (server,
                                                                  port_id))
         self.validate_response(common_schema.delete_interface, resp, body)
-        return resp, body
+        return service_client.ResponseBody(resp, body)
 
     def wait_for_interface_status(self, server, port_id, status):
         """Waits for a interface to reach a given status."""
-        resp, body = self.show_interface(server, port_id)
+        body = self.show_interface(server, port_id)
         interface_status = body['port_state']
         start = int(time.time())
 
         while(interface_status != status):
             time.sleep(self.build_interval)
-            resp, body = self.show_interface(server, port_id)
+            body = self.show_interface(server, port_id)
             interface_status = body['port_state']
 
             timed_out = int(time.time()) - start >= self.build_timeout
@@ -78,7 +79,7 @@
                             self.build_timeout))
                 raise exceptions.TimeoutException(message)
 
-        return resp, body
+        return body
 
     def add_fixed_ip(self, server_id, network_id):
         """Add a fixed IP to input server instance."""
@@ -91,7 +92,7 @@
                                post_body)
         self.validate_response(servers_schema.server_actions_common_schema,
                                resp, body)
-        return resp, body
+        return service_client.ResponseBody(resp, body)
 
     def remove_fixed_ip(self, server_id, ip_address):
         """Remove input fixed IP from input server instance."""
@@ -104,4 +105,4 @@
                                post_body)
         self.validate_response(servers_schema.server_actions_common_schema,
                                resp, body)
-        return resp, body
+        return service_client.ResponseBody(resp, body)
diff --git a/tempest/services/compute/json/networks_client.py b/tempest/services/compute/json/networks_client.py
index 361258a..ef1c058 100644
--- a/tempest/services/compute/json/networks_client.py
+++ b/tempest/services/compute/json/networks_client.py
@@ -24,10 +24,10 @@
         resp, body = self.get("os-networks")
         body = json.loads(body)
         self.expected_success(200, resp.status)
-        return resp, body['networks']
+        return service_client.ResponseBodyList(resp, body['networks'])
 
     def get_network(self, network_id):
         resp, body = self.get("os-networks/%s" % str(network_id))
         body = json.loads(body)
         self.expected_success(200, resp.status)
-        return resp, body['network']
+        return service_client.ResponseBody(resp, body['network'])