diff --git a/tempest/api/identity/admin/v3/test_credentials.py b/tempest/api/identity/admin/v3/test_credentials.py
new file mode 100644
index 0000000..efd2f83
--- /dev/null
+++ b/tempest/api/identity/admin/v3/test_credentials.py
@@ -0,0 +1,120 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2013 OpenStack Foundation
+# 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 tempest.api.identity import base
+from tempest.common.utils.data_utils import rand_name
+from tempest.test import attr
+
+
+class CredentialsTestJSON(base.BaseIdentityAdminTest):
+    _interface = 'json'
+
+    @classmethod
+    def setUpClass(cls):
+        super(CredentialsTestJSON, cls).setUpClass()
+        cls.projects = list()
+        cls.creds_list = [['project_id', 'user_id', 'id'],
+                          ['access', 'secret']]
+        u_name = rand_name('user-')
+        u_desc = '%s description' % u_name
+        u_email = '%s@testmail.tm' % u_name
+        u_password = rand_name('pass-')
+        for i in range(2):
+            resp, cls.project = cls.v3_client.create_project(
+                rand_name('project-'), description=rand_name('project-desc-'))
+            assert resp['status'] == '201', "Expected %s" % resp['status']
+            cls.projects.append(cls.project['id'])
+
+        resp, cls.user_body = cls.v3_client.create_user(
+            u_name, description=u_desc, password=u_password,
+            email=u_email, project_id=cls.projects[0])
+        assert resp['status'] == '201', "Expected: %s" % resp['status']
+
+    @classmethod
+    def tearDownClass(cls):
+        resp, _ = cls.v3_client.delete_user(cls.user_body['id'])
+        assert resp['status'] == '204', "Expected: %s" % resp['status']
+        for p in cls.projects:
+            resp, _ = cls.v3_client.delete_project(p)
+            assert resp['status'] == '204', "Expected: %s" % resp['status']
+        super(CredentialsTestJSON, cls).tearDownClass()
+
+    def _delete_credential(self, cred_id):
+        resp, body = self.creds_client.delete_credential(cred_id)
+        self.assertEqual(resp['status'], '204')
+
+    @attr(type='smoke')
+    def test_credentials_create_get_update_delete(self):
+        keys = [rand_name('Access-'), rand_name('Secret-')]
+        resp, cred = self.creds_client.create_credential(
+            keys[0], keys[1], self.user_body['id'],
+            self.projects[0])
+        self.addCleanup(self._delete_credential, cred['id'])
+        self.assertEqual(resp['status'], '201')
+        for value1 in self.creds_list[0]:
+            self.assertIn(value1, cred)
+        for value2 in self.creds_list[1]:
+            self.assertIn(value2, cred['blob'])
+
+        new_keys = [rand_name('NewAccess-'), rand_name('NewSecret-')]
+        resp, update_body = self.creds_client.update_credential(
+            cred['id'], access_key=new_keys[0], secret_key=new_keys[1],
+            project_id=self.projects[1])
+        self.assertEqual(resp['status'], '200')
+        self.assertEqual(cred['id'], update_body['id'])
+        self.assertEqual(self.projects[1], update_body['project_id'])
+        self.assertEqual(self.user_body['id'], update_body['user_id'])
+        self.assertEqual(update_body['blob']['access'], new_keys[0])
+        self.assertEqual(update_body['blob']['secret'], new_keys[1])
+
+        resp, get_body = self.creds_client.get_credential(cred['id'])
+        self.assertEqual(resp['status'], '200')
+        for value1 in self.creds_list[0]:
+            self.assertEqual(update_body[value1],
+                             get_body[value1])
+        for value2 in self.creds_list[1]:
+            self.assertEqual(update_body['blob'][value2],
+                             get_body['blob'][value2])
+
+    @attr(type='smoke')
+    def test_credentials_list_delete(self):
+        created_cred_ids = list()
+        fetched_cred_ids = list()
+
+        for i in range(2):
+            resp, cred = self.creds_client.create_credential(
+                rand_name('Access-'), rand_name('Secret-'),
+                self.user_body['id'], self.projects[0])
+            self.assertEqual(resp['status'], '201')
+            created_cred_ids.append(cred['id'])
+            self.addCleanup(self._delete_credential, cred['id'])
+
+        resp, creds = self.creds_client.list_credentials()
+        self.assertEqual(resp['status'], '200')
+
+        for i in creds:
+            fetched_cred_ids.append(i['id'])
+        missing_creds = [c for c in created_cred_ids
+                         if c not in fetched_cred_ids]
+        self.assertEqual(0, len(missing_creds),
+                         "Failed to find cred %s in fetched list" %
+                         ', '.join(m_cred for m_cred
+                         in missing_creds))
+
+
+class CredentialsTestXML(CredentialsTestJSON):
+    _interface = 'xml'
diff --git a/tempest/api/identity/base.py b/tempest/api/identity/base.py
index bfb5372..2a168de 100644
--- a/tempest/api/identity/base.py
+++ b/tempest/api/identity/base.py
@@ -34,6 +34,7 @@
         cls.service_client = os.service_client
         cls.policy_client = os.policy_client
         cls.v3_token = os.token_v3_client
+        cls.creds_client = os.credentials_client
 
         if not cls.client.has_admin_extensions():
             raise cls.skipException("Admin extensions disabled")
diff --git a/tempest/clients.py b/tempest/clients.py
index 48e4939..49b9283 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -71,6 +71,8 @@
     VolumesExtensionsClientXML
 from tempest.services.identity.json.identity_client import IdentityClientJSON
 from tempest.services.identity.json.identity_client import TokenClientJSON
+from tempest.services.identity.v3.json.credentials_client import \
+    CredentialsClientJSON
 from tempest.services.identity.v3.json.endpoints_client import \
     EndPointClientJSON
 from tempest.services.identity.v3.json.identity_client import \
@@ -79,6 +81,8 @@
 from tempest.services.identity.v3.json.policy_client import PolicyClientJSON
 from tempest.services.identity.v3.json.service_client import \
     ServiceClientJSON
+from tempest.services.identity.v3.xml.credentials_client import \
+    CredentialsClientXML
 from tempest.services.identity.v3.xml.endpoints_client import EndPointClientXML
 from tempest.services.identity.v3.xml.identity_client import \
     IdentityV3ClientXML
@@ -252,6 +256,11 @@
     "xml": V3TokenClientXML,
 }
 
+CREDENTIALS_CLIENT = {
+    "json": CredentialsClientJSON,
+    "xml": CredentialsClientXML,
+}
+
 
 class Manager(object):
 
@@ -336,6 +345,8 @@
             self.policy_client = POLICY_CLIENT[interface](*client_args)
             self.hypervisor_client = HYPERVISOR_CLIENT[interface](*client_args)
             self.token_v3_client = V3_TOKEN_CLIENT[interface](*client_args)
+            self.credentials_client = \
+                CREDENTIALS_CLIENT[interface](*client_args)
 
             if client_args_v3_auth:
                 self.servers_client_v3_auth = SERVERS_CLIENTS[interface](
diff --git a/tempest/services/identity/v3/json/credentials_client.py b/tempest/services/identity/v3/json/credentials_client.py
new file mode 100644
index 0000000..c3f788a
--- /dev/null
+++ b/tempest/services/identity/v3/json/credentials_client.py
@@ -0,0 +1,97 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2013 OpenStack Foundation
+# 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
+from urlparse import urlparse
+
+from tempest.common.rest_client import RestClient
+
+
+class CredentialsClientJSON(RestClient):
+
+    def __init__(self, config, username, password, auth_url, tenant_name=None):
+        super(CredentialsClientJSON, self).__init__(config, username, password,
+                                                    auth_url, tenant_name)
+        self.service = self.config.identity.catalog_type
+        self.endpoint_url = 'adminURL'
+
+    def request(self, method, url, headers=None, body=None, wait=None):
+        """Overriding the existing HTTP request in super class rest_client."""
+        self._set_auth()
+        self.base_url = self.base_url.replace(urlparse(self.base_url).path,
+                                              "/v3")
+        return super(CredentialsClientJSON, self).request(method, url,
+                                                          headers=headers,
+                                                          body=body)
+
+    def create_credential(self, access_key, secret_key, user_id, project_id):
+        """Creates a credential."""
+        blob = "{\"access\": \"%s\", \"secret\": \"%s\"}" % (
+            access_key, secret_key)
+        post_body = {
+            "blob": blob,
+            "project_id": project_id,
+            "type": "ec2",
+            "user_id": user_id
+        }
+        post_body = json.dumps({'credential': post_body})
+        resp, body = self.post('credentials', post_body,
+                               self.headers)
+        body = json.loads(body)
+        body['credential']['blob'] = json.loads(body['credential']['blob'])
+        return resp, body['credential']
+
+    def update_credential(self, credential_id, **kwargs):
+        """Updates a credential."""
+        resp, body = self.get_credential(credential_id)
+        cred_type = kwargs.get('type', body['type'])
+        access_key = kwargs.get('access_key', body['blob']['access'])
+        secret_key = kwargs.get('secret_key', body['blob']['secret'])
+        project_id = kwargs.get('project_id', body['project_id'])
+        user_id = kwargs.get('user_id', body['user_id'])
+        blob = "{\"access\": \"%s\", \"secret\": \"%s\"}" % (
+            access_key, secret_key)
+        post_body = {
+            "blob": blob,
+            "project_id": project_id,
+            "type": cred_type,
+            "user_id": user_id
+        }
+        post_body = json.dumps({'credential': post_body})
+        resp, body = self.patch('credentials/%s' % credential_id, post_body,
+                                self.headers)
+        body = json.loads(body)
+        body['credential']['blob'] = json.loads(body['credential']['blob'])
+        return resp, body['credential']
+
+    def get_credential(self, credential_id):
+        """To GET Details of a credential."""
+        resp, body = self.get('credentials/%s' % credential_id)
+        body = json.loads(body)
+        body['credential']['blob'] = json.loads(body['credential']['blob'])
+        return resp, body['credential']
+
+    def list_credentials(self):
+        """Lists out all the available credentials."""
+        resp, body = self.get('credentials')
+        body = json.loads(body)
+        return resp, body['credentials']
+
+    def delete_credential(self, credential_id):
+        """Deletes a credential."""
+        resp, body = self.delete('credentials/%s' % credential_id)
+        return resp, body
diff --git a/tempest/services/identity/v3/xml/credentials_client.py b/tempest/services/identity/v3/xml/credentials_client.py
new file mode 100644
index 0000000..dc0ade1
--- /dev/null
+++ b/tempest/services/identity/v3/xml/credentials_client.py
@@ -0,0 +1,121 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2013 OpenStack Foundation
+# 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
+from urlparse import urlparse
+
+from lxml import etree
+
+from tempest.common.rest_client import RestClientXML
+from tempest.services.compute.xml.common import Document
+from tempest.services.compute.xml.common import Element
+from tempest.services.compute.xml.common import Text
+from tempest.services.compute.xml.common import xml_to_json
+
+
+XMLNS = "http://docs.openstack.org/identity/api/v3"
+
+
+class CredentialsClientXML(RestClientXML):
+
+    def __init__(self, config, username, password, auth_url, tenant_name=None):
+        super(CredentialsClientXML, self).__init__(config, username, password,
+                                                   auth_url, tenant_name)
+        self.service = self.config.identity.catalog_type
+        self.endpoint_url = 'adminURL'
+
+    def request(self, method, url, headers=None, body=None, wait=None):
+        """Overriding the existing HTTP request in super class rest_client."""
+        self._set_auth()
+        self.base_url = self.base_url.replace(urlparse(self.base_url).path,
+                                              "/v3")
+        return super(CredentialsClientXML, self).request(method, url,
+                                                         headers=headers,
+                                                         body=body)
+
+    def _parse_body(self, body):
+        data = xml_to_json(body)
+        return data
+
+    def _parse_creds(self, node):
+        array = []
+        for child in node.getchildren():
+            tag_list = child.tag.split('}', 1)
+            if tag_list[1] == "credential":
+                array.append(xml_to_json(child))
+        return array
+
+    def create_credential(self, access_key, secret_key, user_id, project_id):
+        """Creates a credential."""
+        cred_type = 'ec2'
+        access = "&quot;access&quot;: &quot;%s&quot;" % access_key
+        secret = "&quot;secret&quot;: &quot;%s&quot;" % secret_key
+        blob = Element('blob',
+                       xmlns=XMLNS)
+        blob.append(Text("{%s , %s}"
+                         % (access, secret)))
+        credential = Element('credential', project_id=project_id,
+                             type=cred_type, user_id=user_id)
+        credential.append(blob)
+        resp, body = self.post('credentials', str(Document(credential)),
+                               self.headers)
+        body = self._parse_body(etree.fromstring(body))
+        body['blob'] = json.loads(body['blob'])
+        return resp, body
+
+    def update_credential(self, credential_id, **kwargs):
+        """Updates a credential."""
+        resp, body = self.get_credential(credential_id)
+        cred_type = kwargs.get('type', body['type'])
+        access_key = kwargs.get('access_key', body['blob']['access'])
+        secret_key = kwargs.get('secret_key', body['blob']['secret'])
+        project_id = kwargs.get('project_id', body['project_id'])
+        user_id = kwargs.get('user_id', body['user_id'])
+        access = "&quot;access&quot;: &quot;%s&quot;" % access_key
+        secret = "&quot;secret&quot;: &quot;%s&quot;" % secret_key
+        blob = Element('blob',
+                       xmlns=XMLNS)
+        blob.append(Text("{%s , %s}"
+                         % (access, secret)))
+        credential = Element('credential', project_id=project_id,
+                             type=cred_type, user_id=user_id)
+        credential.append(blob)
+        resp, body = self.patch('credentials/%s' % credential_id,
+                                str(Document(credential)),
+                                self.headers)
+        body = self._parse_body(etree.fromstring(body))
+        body['blob'] = json.loads(body['blob'])
+        return resp, body
+
+    def get_credential(self, credential_id):
+        """To GET Details of a credential."""
+        resp, body = self.get('credentials/%s' % credential_id, self.headers)
+        body = self._parse_body(etree.fromstring(body))
+        body['blob'] = json.loads(body['blob'])
+        return resp, body
+
+    def list_credentials(self):
+        """Lists out all the available credentials."""
+        resp, body = self.get('credentials', self.headers)
+        body = self._parse_creds(etree.fromstring(body))
+        return resp, body
+
+    def delete_credential(self, credential_id):
+        """Deletes a credential."""
+        resp, body = self.delete('credentials/%s' % credential_id,
+                                 self.headers)
+        return resp, body