diff --git a/tempest/api/identity/admin/v2/test_tenant_negative.py b/tempest/api/identity/admin/v2/test_tenant_negative.py
index 5169dae..d1e0217 100644
--- a/tempest/api/identity/admin/v2/test_tenant_negative.py
+++ b/tempest/api/identity/admin/v2/test_tenant_negative.py
@@ -43,7 +43,7 @@
     def test_tenant_delete_by_unauthorized_user(self):
         # Non-administrator user should not be able to delete a tenant
         tenant_name = data_utils.rand_name(name='tenant')
-        tenant = self.tenants_client.create_tenant(tenant_name)['tenant']
+        tenant = self.tenants_client.create_tenant(name=tenant_name)['tenant']
         self.data.tenants.append(tenant)
         self.assertRaises(lib_exc.Forbidden,
                           self.non_admin_tenants_client.delete_tenant,
@@ -54,7 +54,7 @@
     def test_tenant_delete_request_without_token(self):
         # Request to delete a tenant without a valid token should fail
         tenant_name = data_utils.rand_name(name='tenant')
-        tenant = self.tenants_client.create_tenant(tenant_name)['tenant']
+        tenant = self.tenants_client.create_tenant(name=tenant_name)['tenant']
         self.data.tenants.append(tenant)
         token = self.client.auth_provider.get_token()
         self.client.delete_token(token)
@@ -75,7 +75,7 @@
     def test_tenant_create_duplicate(self):
         # Tenant names should be unique
         tenant_name = data_utils.rand_name(name='tenant')
-        body = self.tenants_client.create_tenant(tenant_name)['tenant']
+        body = self.tenants_client.create_tenant(name=tenant_name)['tenant']
         tenant = body
         self.data.tenants.append(tenant)
         tenant1_id = body.get('id')
@@ -83,7 +83,7 @@
         self.addCleanup(self.tenants_client.delete_tenant, tenant1_id)
         self.addCleanup(self.data.tenants.remove, tenant)
         self.assertRaises(lib_exc.Conflict, self.tenants_client.create_tenant,
-                          tenant_name)
+                          name=tenant_name)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('d26b278a-6389-4702-8d6e-5980d80137e0')
@@ -92,7 +92,7 @@
         tenant_name = data_utils.rand_name(name='tenant')
         self.assertRaises(lib_exc.Forbidden,
                           self.non_admin_tenants_client.create_tenant,
-                          tenant_name)
+                          name=tenant_name)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('a3ee9d7e-6920-4dd5-9321-d4b2b7f0a638')
@@ -103,7 +103,7 @@
         self.client.delete_token(token)
         self.assertRaises(lib_exc.Unauthorized,
                           self.tenants_client.create_tenant,
-                          tenant_name)
+                          name=tenant_name)
         self.client.auth_provider.clear_auth()
 
     @test.attr(type=['negative'])
@@ -121,7 +121,7 @@
         tenant_name = 'a' * 65
         self.assertRaises(lib_exc.BadRequest,
                           self.tenants_client.create_tenant,
-                          tenant_name)
+                          name=tenant_name)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('bd20dc2a-9557-4db7-b755-f48d952ad706')
@@ -135,7 +135,7 @@
     def test_tenant_update_by_unauthorized_user(self):
         # Non-administrator user should not be able to update a tenant
         tenant_name = data_utils.rand_name(name='tenant')
-        tenant = self.tenants_client.create_tenant(tenant_name)['tenant']
+        tenant = self.tenants_client.create_tenant(name=tenant_name)['tenant']
         self.data.tenants.append(tenant)
         self.assertRaises(lib_exc.Forbidden,
                           self.non_admin_tenants_client.update_tenant,
@@ -146,7 +146,7 @@
     def test_tenant_update_request_without_token(self):
         # Request to update a tenant without a valid token should fail
         tenant_name = data_utils.rand_name(name='tenant')
-        tenant = self.tenants_client.create_tenant(tenant_name)['tenant']
+        tenant = self.tenants_client.create_tenant(name=tenant_name)['tenant']
         self.data.tenants.append(tenant)
         token = self.client.auth_provider.get_token()
         self.client.delete_token(token)
diff --git a/tempest/api/identity/admin/v2/test_tenants.py b/tempest/api/identity/admin/v2/test_tenants.py
index 8d0b9b1..1aa80df 100644
--- a/tempest/api/identity/admin/v2/test_tenants.py
+++ b/tempest/api/identity/admin/v2/test_tenants.py
@@ -28,7 +28,8 @@
         tenants = []
         for _ in moves.xrange(3):
             tenant_name = data_utils.rand_name(name='tenant-new')
-            tenant = self.tenants_client.create_tenant(tenant_name)['tenant']
+            tenant = self.tenants_client.create_tenant(
+                name=tenant_name)['tenant']
             self.data.tenants.append(tenant)
             tenants.append(tenant)
         tenant_ids = map(lambda x: x['id'], tenants)
@@ -49,7 +50,7 @@
         # Create tenant with a description
         tenant_name = data_utils.rand_name(name='tenant')
         tenant_desc = data_utils.rand_name(name='desc')
-        body = self.tenants_client.create_tenant(tenant_name,
+        body = self.tenants_client.create_tenant(name=tenant_name,
                                                  description=tenant_desc)
         tenant = body['tenant']
         self.data.tenants.append(tenant)
@@ -68,7 +69,8 @@
     def test_tenant_create_enabled(self):
         # Create a tenant that is enabled
         tenant_name = data_utils.rand_name(name='tenant')
-        body = self.tenants_client.create_tenant(tenant_name, enabled=True)
+        body = self.tenants_client.create_tenant(name=tenant_name,
+                                                 enabled=True)
         tenant = body['tenant']
         self.data.tenants.append(tenant)
         tenant_id = tenant['id']
@@ -84,7 +86,8 @@
     def test_tenant_create_not_enabled(self):
         # Create a tenant that is not enabled
         tenant_name = data_utils.rand_name(name='tenant')
-        body = self.tenants_client.create_tenant(tenant_name, enabled=False)
+        body = self.tenants_client.create_tenant(name=tenant_name,
+                                                 enabled=False)
         tenant = body['tenant']
         self.data.tenants.append(tenant)
         tenant_id = tenant['id']
@@ -102,7 +105,7 @@
     def test_tenant_update_name(self):
         # Update name attribute of a tenant
         t_name1 = data_utils.rand_name(name='tenant')
-        body = self.tenants_client.create_tenant(t_name1)['tenant']
+        body = self.tenants_client.create_tenant(name=t_name1)['tenant']
         tenant = body
         self.data.tenants.append(tenant)
 
@@ -129,7 +132,8 @@
         # Update description attribute of a tenant
         t_name = data_utils.rand_name(name='tenant')
         t_desc = data_utils.rand_name(name='desc')
-        body = self.tenants_client.create_tenant(t_name, description=t_desc)
+        body = self.tenants_client.create_tenant(name=t_name,
+                                                 description=t_desc)
         tenant = body['tenant']
         self.data.tenants.append(tenant)
 
@@ -157,7 +161,7 @@
         # Update the enabled attribute of a tenant
         t_name = data_utils.rand_name(name='tenant')
         t_en = False
-        body = self.tenants_client.create_tenant(t_name, enabled=t_en)
+        body = self.tenants_client.create_tenant(name=t_name, enabled=t_en)
         tenant = body['tenant']
         self.data.tenants.append(tenant)
 
diff --git a/tempest/api/identity/admin/v2/test_tokens.py b/tempest/api/identity/admin/v2/test_tokens.py
index 2297a9d..1675126 100644
--- a/tempest/api/identity/admin/v2/test_tokens.py
+++ b/tempest/api/identity/admin/v2/test_tokens.py
@@ -27,7 +27,7 @@
         user_password = data_utils.rand_password()
         # first:create a tenant
         tenant_name = data_utils.rand_name(name='tenant')
-        tenant = self.tenants_client.create_tenant(tenant_name)['tenant']
+        tenant = self.tenants_client.create_tenant(name=tenant_name)['tenant']
         self.data.tenants.append(tenant)
         # second:create a user
         user = self.users_client.create_user(name=user_name,
@@ -72,11 +72,13 @@
 
         # Create a couple tenants.
         tenant1_name = data_utils.rand_name(name='tenant')
-        tenant1 = self.tenants_client.create_tenant(tenant1_name)['tenant']
+        tenant1 = self.tenants_client.create_tenant(
+            name=tenant1_name)['tenant']
         self.data.tenants.append(tenant1)
 
         tenant2_name = data_utils.rand_name(name='tenant')
-        tenant2 = self.tenants_client.create_tenant(tenant2_name)['tenant']
+        tenant2 = self.tenants_client.create_tenant(
+            name=tenant2_name)['tenant']
         self.data.tenants.append(tenant2)
 
         # Create a role
diff --git a/tempest/cmd/javelin.py b/tempest/cmd/javelin.py
index 7ce6225..3d57c35 100755
--- a/tempest/cmd/javelin.py
+++ b/tempest/cmd/javelin.py
@@ -319,7 +319,7 @@
     existing = [x['name'] for x in body]
     for tenant in tenants:
         if tenant not in existing:
-            admin.tenants.create_tenant(tenant)['tenant']
+            admin.tenants.create_tenant(name=tenant)['tenant']
         else:
             LOG.warning("Tenant '%s' already exists in this environment"
                         % tenant)
diff --git a/tempest/services/identity/v2/json/tenants_client.py b/tempest/services/identity/v2/json/tenants_client.py
index 97e5c11..77ddaa5 100644
--- a/tempest/services/identity/v2/json/tenants_client.py
+++ b/tempest/services/identity/v2/json/tenants_client.py
@@ -13,6 +13,7 @@
 # limitations under the License.
 
 from oslo_serialization import jsonutils as json
+from six.moves.urllib import parse as urllib
 
 from tempest.lib.common import rest_client
 
@@ -20,40 +21,50 @@
 class TenantsClient(rest_client.RestClient):
     api_version = "v2.0"
 
-    def create_tenant(self, name, **kwargs):
+    def create_tenant(self, **kwargs):
         """Create a tenant
 
-        name (required): New tenant name
-        description: Description of new tenant (default is none)
-        enabled <true|false>: Initial tenant status (default is true)
+        Available params: see http://developer.openstack.org/
+                              api-ref-identity-v2-ext.html#createTenant
         """
-        post_body = {
-            'name': name,
-            'description': kwargs.get('description', ''),
-            'enabled': kwargs.get('enabled', True),
-        }
-        post_body = json.dumps({'tenant': post_body})
+        post_body = json.dumps({'tenant': kwargs})
         resp, body = self.post('tenants', post_body)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
     def delete_tenant(self, tenant_id):
-        """Delete a tenant."""
+        """Delete a tenant.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-identity-v2-ext.html#deleteTenant
+        """
         resp, body = self.delete('tenants/%s' % str(tenant_id))
         self.expected_success(204, resp.status)
         return rest_client.ResponseBody(resp, body)
 
     def show_tenant(self, tenant_id):
-        """Get tenant details."""
+        """Get tenant details.
+
+        Available params: see
+            http://developer.openstack.org/
+            api-ref-identity-v2-ext.html#admin-showTenantById
+        """
         resp, body = self.get('tenants/%s' % str(tenant_id))
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
-    def list_tenants(self):
-        """Returns tenants."""
-        resp, body = self.get('tenants')
+    def list_tenants(self, **params):
+        """Returns tenants.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-identity-v2-ext.html#admin-listTenants
+        """
+        url = 'tenants'
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+        resp, body = self.get(url)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
@@ -64,25 +75,24 @@
         Available params: see http://developer.openstack.org/
                               api-ref-identity-v2-ext.html#updateTenant
         """
-        body = self.show_tenant(tenant_id)['tenant']
-        name = kwargs.get('name', body['name'])
-        desc = kwargs.get('description', body['description'])
-        en = kwargs.get('enabled', body['enabled'])
-        post_body = {
-            'id': tenant_id,
-            'name': name,
-            'description': desc,
-            'enabled': en,
-        }
-        post_body = json.dumps({'tenant': post_body})
+        if 'id' not in kwargs:
+            kwargs['id'] = tenant_id
+        post_body = json.dumps({'tenant': kwargs})
         resp, body = self.post('tenants/%s' % tenant_id, post_body)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
-    def list_tenant_users(self, tenant_id):
-        """List users for a Tenant."""
-        resp, body = self.get('/tenants/%s/users' % tenant_id)
+    def list_tenant_users(self, tenant_id, **params):
+        """List users for a Tenant.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-identity-v2-ext.html#listUsersForTenant
+        """
+        url = '/tenants/%s/users' % tenant_id
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+        resp, body = self.get(url)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
diff --git a/tempest/tests/cmd/test_javelin.py b/tempest/tests/cmd/test_javelin.py
index 50660ff..5ec9720 100644
--- a/tempest/tests/cmd/test_javelin.py
+++ b/tempest/tests/cmd/test_javelin.py
@@ -92,7 +92,7 @@
         javelin.create_tenants([self.fake_object['name']])
 
         mocked_function = self.fake_client.tenants.create_tenant
-        mocked_function.assert_called_once_with(self.fake_object['name'])
+        mocked_function.assert_called_once_with(name=self.fake_object['name'])
 
     def test_create_duplicate_tenant(self):
         self.fake_client.tenants.list_tenants.return_value = {'tenants': [