diff --git a/magnumclient/tests/v1/test_baymodels.py b/magnumclient/tests/v1/test_baymodels.py
index 72f95fa2..0e88ee6b 100644
--- a/magnumclient/tests/v1/test_baymodels.py
+++ b/magnumclient/tests/v1/test_baymodels.py
@@ -17,10 +17,10 @@ import copy
 import testtools
 from testtools import matchers
 
+from magnumclient import exceptions
 from magnumclient.tests import utils
 from magnumclient.v1 import baymodels
 
-
 BAYMODEL1 = {'id': 123,
              'uuid': '66666666-7777-8888-9999-000000000001',
              'name': 'baymodel1',
@@ -166,6 +166,15 @@ class BayModelManagerTest(testtools.TestCase):
         self.assertEqual(BAYMODEL1['docker_volume_size'],
                          baymodel.docker_volume_size)
 
+    def test_baymodel_create_fail(self):
+        CREATE_BAYMODEL_FAIL = copy.deepcopy(CREATE_BAYMODEL)
+        CREATE_BAYMODEL_FAIL["wrong_key"] = "wrong"
+        self.assertRaisesRegexp(exceptions.InvalidAttribute,
+                                ("Key must be in %s" %
+                                 ','.join(baymodels.CREATION_ATTRIBUTES)),
+                                self.mgr.create, **CREATE_BAYMODEL_FAIL)
+        self.assertEqual([], self.api.calls)
+
     def test_baymodel_delete_by_id(self):
         baymodel = self.mgr.delete(BAYMODEL1['id'])
         expect = [
diff --git a/magnumclient/tests/v1/test_bays.py b/magnumclient/tests/v1/test_bays.py
index ec1b7d4f..f0a0d1d0 100644
--- a/magnumclient/tests/v1/test_bays.py
+++ b/magnumclient/tests/v1/test_bays.py
@@ -17,6 +17,7 @@ import copy
 import testtools
 from testtools import matchers
 
+from magnumclient import exceptions
 from magnumclient.tests import utils
 from magnumclient.v1 import bays
 
@@ -137,6 +138,15 @@ class BayManagerTest(testtools.TestCase):
         self.assertEqual(expect, self.api.calls)
         self.assertTrue(bay)
 
+    def test_bay_create_fail(self):
+        CREATE_BAY_FAIL = copy.deepcopy(CREATE_BAY)
+        CREATE_BAY_FAIL["wrong_key"] = "wrong"
+        self.assertRaisesRegexp(exceptions.InvalidAttribute,
+                                ("Key must be in %s" %
+                                 ','.join(bays.CREATION_ATTRIBUTES)),
+                                self.mgr.create, **CREATE_BAY_FAIL)
+        self.assertEqual([], self.api.calls)
+
     def test_bay_delete_by_id(self):
         bay = self.mgr.delete(BAY1['id'])
         expect = [
diff --git a/magnumclient/tests/v1/test_containers.py b/magnumclient/tests/v1/test_containers.py
index 48491384..82b95776 100644
--- a/magnumclient/tests/v1/test_containers.py
+++ b/magnumclient/tests/v1/test_containers.py
@@ -17,6 +17,7 @@ import copy
 import testtools
 from testtools import matchers
 
+from magnumclient import exceptions
 from magnumclient.tests import utils
 from magnumclient.v1 import containers
 
@@ -151,6 +152,15 @@ class ContainerManagerTest(testtools.TestCase):
         self.assertEqual(expect, self.api.calls)
         self.assertTrue(container)
 
+    def test_container_create_fail(self):
+        CREATE_CONTAINER_FAIL = copy.deepcopy(CREATE_CONTAINER)
+        CREATE_CONTAINER_FAIL["wrong_key"] = "wrong"
+        self.assertRaisesRegexp(exceptions.InvalidAttribute,
+                                ("Key must be in %s" %
+                                 ','.join(containers.CREATION_ATTRIBUTES)),
+                                self.mgr.create, **CREATE_CONTAINER_FAIL)
+        self.assertEqual([], self.api.calls)
+
     def test_container_delete(self):
         container = self.mgr.delete(CONTAINER1['id'])
         expect = [
diff --git a/magnumclient/tests/v1/test_nodes.py b/magnumclient/tests/v1/test_nodes.py
index 95d7fc3f..676c558f 100644
--- a/magnumclient/tests/v1/test_nodes.py
+++ b/magnumclient/tests/v1/test_nodes.py
@@ -17,6 +17,7 @@ import copy
 import testtools
 from testtools import matchers
 
+from magnumclient import exceptions
 from magnumclient.tests import utils
 from magnumclient.v1 import nodes
 
@@ -105,6 +106,15 @@ class NodeManagerTest(testtools.TestCase):
         self.assertEqual(expect, self.api.calls)
         self.assertTrue(node)
 
+    def test_node_create_fail(self):
+        CREATE_NODE_FAIL = copy.deepcopy(CREATE_NODE)
+        CREATE_NODE_FAIL["wrong_key"] = "wrong"
+        self.assertRaisesRegexp(exceptions.InvalidAttribute,
+                                ("Key must be in %s" %
+                                 ','.join(nodes.CREATION_ATTRIBUTES)),
+                                self.mgr.create, **CREATE_NODE_FAIL)
+        self.assertEqual([], self.api.calls)
+
     def test_node_delete(self):
         node = self.mgr.delete(NODE1['id'])
         expect = [
diff --git a/magnumclient/tests/v1/test_pods.py b/magnumclient/tests/v1/test_pods.py
index fc53555b..acc4f034 100644
--- a/magnumclient/tests/v1/test_pods.py
+++ b/magnumclient/tests/v1/test_pods.py
@@ -17,6 +17,7 @@ import copy
 import testtools
 from testtools import matchers
 
+from magnumclient import exceptions
 from magnumclient.tests import utils
 from magnumclient.v1 import pods
 
@@ -130,6 +131,15 @@ class PodManagerTest(testtools.TestCase):
         self.assertEqual(expect, self.api.calls)
         self.assertTrue(pod)
 
+    def test_pod_create_fail(self):
+        CREATE_POD_FAIL = copy.deepcopy(CREATE_POD)
+        CREATE_POD_FAIL["wrong_key"] = "wrong"
+        self.assertRaisesRegexp(exceptions.InvalidAttribute,
+                                ("Key must be in %s" %
+                                 ','.join(pods.CREATION_ATTRIBUTES)),
+                                self.mgr.create, **CREATE_POD_FAIL)
+        self.assertEqual([], self.api.calls)
+
     def test_pod_delete_by_id(self):
         pod = self.mgr.delete(POD1['id'])
         expect = [
diff --git a/magnumclient/tests/v1/test_replicationcontrollers.py b/magnumclient/tests/v1/test_replicationcontrollers.py
index c42c6509..688e035d 100644
--- a/magnumclient/tests/v1/test_replicationcontrollers.py
+++ b/magnumclient/tests/v1/test_replicationcontrollers.py
@@ -17,6 +17,7 @@ import copy
 import testtools
 from testtools import matchers
 
+from magnumclient import exceptions
 from magnumclient.tests import utils
 from magnumclient.v1 import replicationcontrollers as rcs
 
@@ -128,6 +129,15 @@ class RCManagerTest(testtools.TestCase):
         self.assertEqual(expect, self.api.calls)
         self.assertTrue(rc)
 
+    def test_rc_create_fail(self):
+        CREATE_RC_FAIL = copy.deepcopy(CREATE_RC)
+        CREATE_RC_FAIL["wrong_key"] = "wrong"
+        self.assertRaisesRegexp(exceptions.InvalidAttribute,
+                                ("Key must be in %s" %
+                                 ','.join(rcs.CREATION_ATTRIBUTES)),
+                                self.mgr.create, **CREATE_RC_FAIL)
+        self.assertEqual([], self.api.calls)
+
     def test_rc_delete_by_id(self):
         rc = self.mgr.delete(RC1['id'])
         expect = [
diff --git a/magnumclient/tests/v1/test_services.py b/magnumclient/tests/v1/test_services.py
index b8340925..90c93885 100644
--- a/magnumclient/tests/v1/test_services.py
+++ b/magnumclient/tests/v1/test_services.py
@@ -17,6 +17,7 @@ import copy
 import testtools
 from testtools import matchers
 
+from magnumclient import exceptions
 from magnumclient.tests import utils
 from magnumclient.v1 import services
 
@@ -130,6 +131,15 @@ class ServiceManagerTest(testtools.TestCase):
         self.assertEqual(expect, self.api.calls)
         self.assertTrue(service)
 
+    def test_service_create_fail(self):
+        CREATE_SVC_FAIL = copy.deepcopy(CREATE_SVC)
+        CREATE_SVC_FAIL["wrong_key"] = "wrong"
+        self.assertRaisesRegexp(exceptions.InvalidAttribute,
+                                ("Key must be in %s" %
+                                 ','.join(services.CREATION_ATTRIBUTES)),
+                                self.mgr.create, **CREATE_SVC_FAIL)
+        self.assertEqual([], self.api.calls)
+
     def test_service_delete_by_id(self):
         service = self.mgr.delete(SERVICE1['id'])
         expect = [
diff --git a/magnumclient/v1/baymodels.py b/magnumclient/v1/baymodels.py
index d3c3623a..9ede8a98 100644
--- a/magnumclient/v1/baymodels.py
+++ b/magnumclient/v1/baymodels.py
@@ -89,7 +89,8 @@ class BayModelManager(base.Manager):
             if key in CREATION_ATTRIBUTES:
                 new[key] = value
             else:
-                raise exceptions.InvalidAttribute()
+                raise exceptions.InvalidAttribute(
+                    "Key must be in %s" % ",".join(CREATION_ATTRIBUTES))
         return self._create(self._path(), new)
 
     def delete(self, id):
diff --git a/magnumclient/v1/bays.py b/magnumclient/v1/bays.py
index caf5c295..e2ee4e3d 100644
--- a/magnumclient/v1/bays.py
+++ b/magnumclient/v1/bays.py
@@ -88,7 +88,8 @@ class BayManager(base.Manager):
             if key in CREATION_ATTRIBUTES:
                 new[key] = value
             else:
-                raise exceptions.InvalidAttribute()
+                raise exceptions.InvalidAttribute(
+                    "Key must be in %s" % ",".join(CREATION_ATTRIBUTES))
         return self._create(self._path(), new)
 
     def delete(self, id):
diff --git a/magnumclient/v1/containers.py b/magnumclient/v1/containers.py
index 0a17b56c..3d02cd4d 100644
--- a/magnumclient/v1/containers.py
+++ b/magnumclient/v1/containers.py
@@ -94,7 +94,8 @@ class ContainerManager(base.Manager):
             if key in CREATION_ATTRIBUTES:
                 new[key] = value
             else:
-                raise exceptions.InvalidAttribute()
+                raise exceptions.InvalidAttribute(
+                    "Key must be in %s" % ','.join(CREATION_ATTRIBUTES))
         return self._create(self._path(), new)
 
     def delete(self, id):
diff --git a/magnumclient/v1/nodes.py b/magnumclient/v1/nodes.py
index 6e3809a2..ccc38dd4 100644
--- a/magnumclient/v1/nodes.py
+++ b/magnumclient/v1/nodes.py
@@ -88,7 +88,8 @@ class NodeManager(base.Manager):
             if key in CREATION_ATTRIBUTES:
                 new[key] = value
             else:
-                raise exceptions.InvalidAttribute()
+                raise exceptions.InvalidAttribute(
+                    "Key must be in %s" % ",".join(CREATION_ATTRIBUTES))
         return self._create(self._path(), new)
 
     def delete(self, id):
diff --git a/magnumclient/v1/pods.py b/magnumclient/v1/pods.py
index c7b0ac8e..0c3a8bd3 100644
--- a/magnumclient/v1/pods.py
+++ b/magnumclient/v1/pods.py
@@ -88,7 +88,8 @@ class PodManager(base.Manager):
             if key in CREATION_ATTRIBUTES:
                 new[key] = value
             else:
-                raise exceptions.InvalidAttribute()
+                raise exceptions.InvalidAttribute(
+                    "Key must be in %s" % ",".join(CREATION_ATTRIBUTES))
         return self._create(self._path(), new)
 
     def delete(self, id):
diff --git a/magnumclient/v1/replicationcontrollers.py b/magnumclient/v1/replicationcontrollers.py
index b6a6544b..63e8b2d1 100644
--- a/magnumclient/v1/replicationcontrollers.py
+++ b/magnumclient/v1/replicationcontrollers.py
@@ -88,7 +88,8 @@ class ReplicationControllerManager(base.Manager):
             if key in CREATION_ATTRIBUTES:
                 new[key] = value
             else:
-                raise exceptions.InvalidAttribute()
+                raise exceptions.InvalidAttribute(
+                    "Key must be in %s" % ",".join(CREATION_ATTRIBUTES))
         return self._create(self._path(), new)
 
     def delete(self, id):
diff --git a/magnumclient/v1/services.py b/magnumclient/v1/services.py
index dbacd476..a422ac3d 100644
--- a/magnumclient/v1/services.py
+++ b/magnumclient/v1/services.py
@@ -87,7 +87,8 @@ class ServiceManager(base.Manager):
             if key in CREATION_ATTRIBUTES:
                 new[key] = value
             else:
-                raise exceptions.InvalidAttribute()
+                raise exceptions.InvalidAttribute(
+                    "Key must be in %s" % ",".join(CREATION_ATTRIBUTES))
         return self._create(self._path(), new)
 
     def delete(self, service_id):