diff --git a/tempest/api/compute/v3/admin/test_simple_tenant_usage.py b/tempest/api/compute/v3/admin/test_simple_tenant_usage.py
new file mode 100644
index 0000000..a599f06
--- /dev/null
+++ b/tempest/api/compute/v3/admin/test_simple_tenant_usage.py
@@ -0,0 +1,115 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2013 NEC Corporation
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import datetime
+
+from tempest.api.compute import base
+from tempest import exceptions
+from tempest.test import attr
+import time
+
+
+class TenantUsagesTestJSON(base.BaseV2ComputeAdminTest):
+
+    _interface = 'json'
+
+    @classmethod
+    def setUpClass(cls):
+        super(TenantUsagesTestJSON, cls).setUpClass()
+        cls.adm_client = cls.os_adm.tenant_usages_client
+        cls.client = cls.os.tenant_usages_client
+        cls.identity_client = cls._get_identity_admin_client()
+
+        resp, tenants = cls.identity_client.list_tenants()
+        cls.tenant_id = [tnt['id'] for tnt in tenants if tnt['name'] ==
+                         cls.client.tenant_name][0]
+
+        # Create a server in the demo tenant
+        resp, server = cls.create_test_server(wait_until='ACTIVE')
+        time.sleep(2)
+
+        now = datetime.datetime.now()
+        cls.start = cls._parse_strtime(now - datetime.timedelta(days=1))
+        cls.end = cls._parse_strtime(now + datetime.timedelta(days=1))
+
+    @classmethod
+    def _parse_strtime(cls, at):
+        # Returns formatted datetime
+        return at.strftime('%Y-%m-%dT%H:%M:%S.%f')
+
+    @attr(type='gate')
+    def test_list_usage_all_tenants(self):
+        # Get usage for all tenants
+        params = {'start': self.start,
+                  'end': self.end,
+                  'detailed': int(bool(True))}
+        resp, tenant_usage = self.adm_client.list_tenant_usages(params)
+        self.assertEqual(200, resp.status)
+        self.assertEqual(len(tenant_usage), 8)
+
+    @attr(type='gate')
+    def test_get_usage_tenant(self):
+        # Get usage for a specific tenant
+        params = {'start': self.start,
+                  'end': self.end}
+        resp, tenant_usage = self.adm_client.get_tenant_usage(
+            self.tenant_id, params)
+
+        self.assertEqual(200, resp.status)
+        self.assertEqual(len(tenant_usage), 8)
+
+    @attr(type='gate')
+    def test_get_usage_tenant_with_non_admin_user(self):
+        # Get usage for a specific tenant with non admin user
+        params = {'start': self.start,
+                  'end': self.end}
+        resp, tenant_usage = self.client.get_tenant_usage(
+            self.tenant_id, params)
+
+        self.assertEqual(200, resp.status)
+        self.assertEqual(len(tenant_usage), 8)
+
+    @attr(type=['negative', 'gate'])
+    def test_get_usage_tenant_with_empty_tenant_id(self):
+        # Get usage for a specific tenant empty
+        params = {'start': self.start,
+                  'end': self.end}
+        self.assertRaises(exceptions.NotFound,
+                          self.adm_client.get_tenant_usage,
+                          '', params)
+
+    @attr(type=['negative', 'gate'])
+    def test_get_usage_tenant_with_invalid_date(self):
+        # Get usage for tenant with invalid date
+        params = {'start': self.end,
+                  'end': self.start}
+        self.assertRaises(exceptions.BadRequest,
+                          self.adm_client.get_tenant_usage,
+                          self.tenant_id, params)
+
+    @attr(type=['negative', 'gate'])
+    def test_list_usage_all_tenants_with_non_admin_user(self):
+        # Get usage for all tenants with non admin user
+        params = {'start': self.start,
+                  'end': self.end,
+                  'detailed': int(bool(True))}
+        self.assertRaises(exceptions.Unauthorized,
+                          self.client.list_tenant_usages, params)
+
+
+class TenantUsagesTestXML(TenantUsagesTestJSON):
+    _interface = 'xml'
diff --git a/tempest/services/compute/v3/json/tenant_usages_client.py b/tempest/services/compute/v3/json/tenant_usages_client.py
new file mode 100644
index 0000000..4dd6964
--- /dev/null
+++ b/tempest/services/compute/v3/json/tenant_usages_client.py
@@ -0,0 +1,47 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2013 NEC Corporation
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import json
+import urllib
+
+from tempest.common.rest_client import RestClient
+
+
+class TenantUsagesClientJSON(RestClient):
+
+    def __init__(self, config, username, password, auth_url, tenant_name=None):
+        super(TenantUsagesClientJSON, self).__init__(
+            config, username, password, auth_url, tenant_name)
+        self.service = self.config.compute.catalog_type
+
+    def list_tenant_usages(self, params=None):
+        url = 'os-simple-tenant-usage'
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+
+        resp, body = self.get(url)
+        body = json.loads(body)
+        return resp, body['tenant_usages'][0]
+
+    def get_tenant_usage(self, tenant_id, params=None):
+        url = 'os-simple-tenant-usage/%s' % tenant_id
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+
+        resp, body = self.get(url)
+        body = json.loads(body)
+        return resp, body['tenant_usage']
diff --git a/tempest/services/compute/v3/xml/tenant_usages_client.py b/tempest/services/compute/v3/xml/tenant_usages_client.py
new file mode 100644
index 0000000..cb92324
--- /dev/null
+++ b/tempest/services/compute/v3/xml/tenant_usages_client.py
@@ -0,0 +1,54 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2013 NEC Corporation
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import urllib
+
+from lxml import etree
+
+from tempest.common.rest_client import RestClientXML
+from tempest.services.compute.xml.common import xml_to_json
+
+
+class TenantUsagesClientXML(RestClientXML):
+
+    def __init__(self, config, username, password, auth_url, tenant_name=None):
+        super(TenantUsagesClientXML, self).__init__(config, username,
+                                                    password, auth_url,
+                                                    tenant_name)
+        self.service = self.config.compute.catalog_type
+
+    def _parse_array(self, node):
+        json = xml_to_json(node)
+        return json
+
+    def list_tenant_usages(self, params=None):
+        url = 'os-simple-tenant-usage'
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+
+        resp, body = self.get(url, self.headers)
+        tenant_usage = self._parse_array(etree.fromstring(body))
+        return resp, tenant_usage['tenant_usage']
+
+    def get_tenant_usage(self, tenant_id, params=None):
+        url = 'os-simple-tenant-usage/%s' % tenant_id
+        if params:
+            url += '?%s' % urllib.urlencode(params)
+
+        resp, body = self.get(url, self.headers)
+        tenant_usage = self._parse_array(etree.fromstring(body))
+        return resp, tenant_usage