diff --git a/tempest_lib/api_schema/response/compute/v2_1/instance_usage_audit_logs.py b/tempest_lib/api_schema/response/compute/v2_1/instance_usage_audit_logs.py
new file mode 100644
index 0000000..c6c4deb
--- /dev/null
+++ b/tempest_lib/api_schema/response/compute/v2_1/instance_usage_audit_logs.py
@@ -0,0 +1,62 @@
+# Copyright 2014 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.
+
+common_instance_usage_audit_log = {
+    'type': 'object',
+    'properties': {
+        'hosts_not_run': {
+            'type': 'array',
+            'items': {'type': 'string'}
+        },
+        'log': {'type': 'object'},
+        'num_hosts': {'type': 'integer'},
+        'num_hosts_done': {'type': 'integer'},
+        'num_hosts_not_run': {'type': 'integer'},
+        'num_hosts_running': {'type': 'integer'},
+        'overall_status': {'type': 'string'},
+        'period_beginning': {'type': 'string'},
+        'period_ending': {'type': 'string'},
+        'total_errors': {'type': 'integer'},
+        'total_instances': {'type': 'integer'}
+    },
+    'additionalProperties': False,
+    'required': ['hosts_not_run', 'log', 'num_hosts', 'num_hosts_done',
+                 'num_hosts_not_run', 'num_hosts_running', 'overall_status',
+                 'period_beginning', 'period_ending', 'total_errors',
+                 'total_instances']
+}
+
+get_instance_usage_audit_log = {
+    'status_code': [200],
+    'response_body': {
+        'type': 'object',
+        'properties': {
+            'instance_usage_audit_log': common_instance_usage_audit_log
+        },
+        'additionalProperties': False,
+        'required': ['instance_usage_audit_log']
+    }
+}
+
+list_instance_usage_audit_log = {
+    'status_code': [200],
+    'response_body': {
+        'type': 'object',
+        'properties': {
+            'instance_usage_audit_logs': common_instance_usage_audit_log
+        },
+        'additionalProperties': False,
+        'required': ['instance_usage_audit_logs']
+    }
+}
diff --git a/tempest_lib/services/compute/instance_usage_audit_log_client.py b/tempest_lib/services/compute/instance_usage_audit_log_client.py
new file mode 100644
index 0000000..1b4c61d
--- /dev/null
+++ b/tempest_lib/services/compute/instance_usage_audit_log_client.py
@@ -0,0 +1,38 @@
+# Copyright 2013 IBM 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.
+
+from oslo_serialization import jsonutils as json
+
+from tempest_lib.api_schema.response.compute.v2_1 import \
+    instance_usage_audit_logs as schema
+from tempest_lib.common import rest_client
+
+
+class InstanceUsagesAuditLogClient(rest_client.RestClient):
+
+    def list_instance_usage_audit_logs(self):
+        url = 'os-instance_usage_audit_log'
+        resp, body = self.get(url)
+        body = json.loads(body)
+        self.validate_response(schema.list_instance_usage_audit_log,
+                               resp, body)
+        return rest_client.ResponseBody(resp, body)
+
+    def show_instance_usage_audit_log(self, time_before):
+        url = 'os-instance_usage_audit_log/%s' % time_before
+        resp, body = self.get(url)
+        body = json.loads(body)
+        self.validate_response(schema.get_instance_usage_audit_log, resp, body)
+        return rest_client.ResponseBody(resp, body)
diff --git a/tempest_lib/tests/services/compute/test_instance_usage_audit_log_client.py b/tempest_lib/tests/services/compute/test_instance_usage_audit_log_client.py
new file mode 100644
index 0000000..78ade47
--- /dev/null
+++ b/tempest_lib/tests/services/compute/test_instance_usage_audit_log_client.py
@@ -0,0 +1,73 @@
+# Copyright 2015 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_lib.services.compute import instance_usage_audit_log_client
+from tempest_lib.tests import fake_auth_provider
+from tempest_lib.tests.services.compute import base
+
+
+class TestInstanceUsagesAuditLogClient(base.BaseComputeServiceTest):
+
+    FAKE_AUDIT_LOG = {
+        "hosts_not_run": [
+            "f4eb7cfd155f4574967f8b55a7faed75"
+        ],
+        "log": {},
+        "num_hosts": 1,
+        "num_hosts_done": 0,
+        "num_hosts_not_run": 1,
+        "num_hosts_running": 0,
+        "overall_status": "0 of 1 hosts done. 0 errors.",
+        "period_beginning": "2012-12-01 00:00:00",
+        "period_ending": "2013-01-01 00:00:00",
+        "total_errors": 0,
+        "total_instances": 0
+    }
+
+    def setUp(self):
+        super(TestInstanceUsagesAuditLogClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = (instance_usage_audit_log_client.
+                       InstanceUsagesAuditLogClient(fake_auth, 'compute',
+                                                    'regionOne'))
+
+    def _test_list_instance_usage_audit_logs(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.list_instance_usage_audit_logs,
+            'tempest_lib.common.rest_client.RestClient.get',
+            {"instance_usage_audit_logs": self.FAKE_AUDIT_LOG},
+            bytes_body)
+
+    def test_list_instance_usage_audit_logs_with_str_body(self):
+        self._test_list_instance_usage_audit_logs()
+
+    def test_list_instance_usage_audit_logs_with_bytes_body(self):
+        self._test_list_instance_usage_audit_logs(bytes_body=True)
+
+    def _test_show_instance_usage_audit_log(self, bytes_body=False):
+        before_time = datetime.datetime(2012, 12, 1, 0, 0)
+        self.check_service_client_function(
+            self.client.show_instance_usage_audit_log,
+            'tempest_lib.common.rest_client.RestClient.get',
+            {"instance_usage_audit_log": self.FAKE_AUDIT_LOG},
+            bytes_body,
+            time_before=before_time)
+
+    def test_show_instance_usage_audit_log_with_str_body(self):
+        self._test_show_instance_usage_audit_log()
+
+    def test_show_network_with_bytes_body_with_bytes_body(self):
+        self._test_show_instance_usage_audit_log(bytes_body=True)