diff --git a/tempest/api/compute/keypairs/test_keypairs.py b/tempest/api/compute/keypairs/test_keypairs.py
index 45eaa97..9243fdf 100644
--- a/tempest/api/compute/keypairs/test_keypairs.py
+++ b/tempest/api/compute/keypairs/test_keypairs.py
@@ -31,7 +31,10 @@
         self.client.delete_keypair(keypair_name)
 
     def _create_keypair(self, keypair_name, pub_key=None):
-        body = self.client.create_keypair(keypair_name, pub_key)
+        kwargs = {'name': keypair_name}
+        if pub_key:
+            kwargs.update({'public_key': pub_key})
+        body = self.client.create_keypair(**kwargs)
         self.addCleanup(self._delete_keypair, keypair_name)
         return body
 
diff --git a/tempest/api/compute/keypairs/test_keypairs_negative.py b/tempest/api/compute/keypairs/test_keypairs_negative.py
index 54b07f0..3e6d400 100644
--- a/tempest/api/compute/keypairs/test_keypairs_negative.py
+++ b/tempest/api/compute/keypairs/test_keypairs_negative.py
@@ -29,7 +29,10 @@
         cls.client = cls.keypairs_client
 
     def _create_keypair(self, keypair_name, pub_key=None):
-        self.client.create_keypair(keypair_name, pub_key)
+        kwargs = {'name': keypair_name}
+        if pub_key:
+            kwargs.update({'public_key': pub_key})
+        self.client.create_keypair(**kwargs)
         self.addCleanup(self.client.delete_keypair, keypair_name)
 
     @test.attr(type=['negative'])
@@ -72,7 +75,7 @@
     def test_create_keypair_with_duplicate_name(self):
         # Keypairs with duplicate names should not be created
         k_name = data_utils.rand_name('keypair')
-        self.client.create_keypair(k_name)
+        self.client.create_keypair(name=k_name)
         # Now try the same keyname to create another key
         self.assertRaises(lib_exc.Conflict, self._create_keypair,
                           k_name)
diff --git a/tempest/api/compute/servers/test_servers.py b/tempest/api/compute/servers/test_servers.py
index 2c1e69c..c243adf 100644
--- a/tempest/api/compute/servers/test_servers.py
+++ b/tempest/api/compute/servers/test_servers.py
@@ -63,7 +63,7 @@
         # Specify a keypair while creating a server
 
         key_name = data_utils.rand_name('key')
-        self.keypairs_client.create_keypair(key_name)
+        self.keypairs_client.create_keypair(name=key_name)
         self.addCleanup(self.keypairs_client.delete_keypair, key_name)
         self.keypairs_client.list_keypairs()
         server = self.create_test_server(key_name=key_name)
diff --git a/tempest/api/compute/test_authorization.py b/tempest/api/compute/test_authorization.py
index 8ee8ad4..7e2868e 100644
--- a/tempest/api/compute/test_authorization.py
+++ b/tempest/api/compute/test_authorization.py
@@ -78,7 +78,7 @@
         cls.image = cls.images_client.show_image(image_id)
 
         cls.keypairname = data_utils.rand_name('keypair')
-        cls.keypairs_client.create_keypair(cls.keypairname)
+        cls.keypairs_client.create_keypair(name=cls.keypairname)
 
         name = data_utils.rand_name('security')
         description = data_utils.rand_name('description')
@@ -209,7 +209,8 @@
             resp = {}
             resp['status'] = None
             self.assertRaises(lib_exc.BadRequest,
-                              self.alt_keypairs_client.create_keypair, k_name)
+                              self.alt_keypairs_client.create_keypair,
+                              name=k_name)
         finally:
             # Next request the base_url is back to normal
             if (resp['status'] is not None):
diff --git a/tempest/api/orchestration/base.py b/tempest/api/orchestration/base.py
index 266f726..6578680 100644
--- a/tempest/api/orchestration/base.py
+++ b/tempest/api/orchestration/base.py
@@ -96,7 +96,7 @@
     @classmethod
     def _create_keypair(cls, name_start='keypair-heat-'):
         kp_name = data_utils.rand_name(name_start)
-        body = cls.keypairs_client.create_keypair(kp_name)
+        body = cls.keypairs_client.create_keypair(name=kp_name)
         cls.keypairs.append(kp_name)
         return body
 
diff --git a/tempest/common/validation_resources.py b/tempest/common/validation_resources.py
index 18f0b1d..852ee54 100644
--- a/tempest/common/validation_resources.py
+++ b/tempest/common/validation_resources.py
@@ -46,7 +46,7 @@
         if validation_resources['keypair']:
             keypair_name = data_utils.rand_name('keypair')
             validation_data['keypair'] = \
-                os.keypairs_client.create_keypair(keypair_name)
+                os.keypairs_client.create_keypair(name=keypair_name)
             LOG.debug("Validation resource key %s created" % keypair_name)
         add_rule = False
         if validation_resources['security_group']:
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index e77d07c..67052b0 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -140,7 +140,7 @@
             client = self.keypairs_client
         name = data_utils.rand_name(self.__class__.__name__)
         # We don't need to create a keypair by pubkey in scenario
-        body = client.create_keypair(name)
+        body = client.create_keypair(name=name)
         self.addCleanup(client.delete_keypair, name)
         return body
 
diff --git a/tempest/services/compute/json/keypairs_client.py b/tempest/services/compute/json/keypairs_client.py
index 6f819ae..e51671f 100644
--- a/tempest/services/compute/json/keypairs_client.py
+++ b/tempest/services/compute/json/keypairs_client.py
@@ -38,11 +38,8 @@
         self.validate_response(schema.get_keypair, resp, body)
         return service_client.ResponseBody(resp, body['keypair'])
 
-    def create_keypair(self, name, pub_key=None):
-        post_body = {'keypair': {'name': name}}
-        if pub_key:
-            post_body['keypair']['public_key'] = pub_key
-        post_body = json.dumps(post_body)
+    def create_keypair(self, **kwargs):
+        post_body = json.dumps({'keypair': kwargs})
         resp, body = self.post("os-keypairs", body=post_body)
         body = json.loads(body)
         self.validate_response(schema.create_keypair, resp, body)
diff --git a/tempest/stress/actions/volume_attach_verify.py b/tempest/stress/actions/volume_attach_verify.py
index 3ba2a91..c48ad4b 100644
--- a/tempest/stress/actions/volume_attach_verify.py
+++ b/tempest/stress/actions/volume_attach_verify.py
@@ -26,7 +26,7 @@
 
     def _create_keypair(self):
         keyname = data_utils.rand_name("key")
-        self.key = self.manager.keypairs_client.create_keypair(keyname)
+        self.key = self.manager.keypairs_client.create_keypair(name=keyname)
 
     def _delete_keypair(self):
         self.manager.keypairs_client.delete_keypair(self.key['name'])