diff --git a/crossengage/client.py b/crossengage/client.py
index 22a9884..d236597 100644
--- a/crossengage/client.py
+++ b/crossengage/client.py
@@ -55,6 +55,7 @@ class CrossengageClient(object):
     USER_BULK_ENDPOINT = "{0}/batch".format(USER_ENDPOINT)
     TRACK_USER_TASK_ENDPOINT = "{0}/track".format(USER_ENDPOINT)
     EVENTS_ENDPOINT = 'events'
+    OPTOUT_ENDPOINT = 'optout-status'
 
     REQUEST_GET = 'get'
     REQUEST_PUT = 'put'
@@ -350,6 +351,36 @@ def track_user_task(self, tracking_id):
 
         return r.status_code, body
 
+    def get_user_opt_out_status(self, user_id):
+        # type: (str) -> dict
+        """
+        Fetch User Opt-Out status by id.
+        :param user_id: User external ID
+        :return: json dict response, for example:
+            {
+                "optOut": false
+            }
+        """
+        self.request_url = "{0}/{1}/{2}/{3}".format(self.API_URL, self.USER_ENDPOINT, user_id, self.OPTOUT_ENDPOINT)
+        return self.__create_request(payload={}, request_type=self.REQUEST_GET, version="v1")
+
+    def update_user_opt_out_status(self, user_id, channel_name):
+        # type: (str, str) -> dict
+        """
+        Fetch User Opt-Out status by id.
+        :param user_id: User ID
+        :param channel_name: Name of the channel to opt out user from. It has to be one of MAIL, BROWSER_NOTIFICATION,
+                             ONSITE_DISPLAY, EXIT_INTENT, PUSH_NOTIFICATION, DIRECT_MAIL or SMS
+        :return: json dict response, for example:
+            {
+                "optOut": true
+            }
+        """
+        self.request_url = "{0}/{1}/{2}/{3}?channelType={4}".format(
+            self.API_URL, self.USER_ENDPOINT, user_id, self.OPTOUT_ENDPOINT, channel_name
+        )
+        return self.__create_request(payload={"optOut": True}, request_type=self.REQUEST_PUT, version="v1")
+
     def __create_request(self, payload, request_type, version):
         headers = update_dict(self.default_headers, {self.API_VERSION_HEADER: self.API_VERSIONS[version]})
         try:
diff --git a/tests/test_client.py b/tests/test_client.py
index aa491cb..d2a9fa4 100644
--- a/tests/test_client.py
+++ b/tests/test_client.py
@@ -56,6 +56,7 @@ def setUp(self):
             'birthday': '1991-11-07',
             'createdAt': '2015-10-02T08:23:53Z',
             'gender': 'male',
+            'channel': 'MAIL'
         }
         self.default_headers_api_v1 = {
             'X-XNG-AuthToken': 'SOME_TOKEN',
@@ -625,3 +626,56 @@ def test_track_user_task_not_found(self):
         )
 
         self.assertEqual(result, (codes.not_found, None))
+
+    def test_get_user_opt_out_status(self):
+        """Crossengage returns status code 200"""
+        # GIVEN
+        expected_response = self.user.copy()
+        expected_response.update({"status_code": codes.ok})
+        response = Mock(status_code=codes.ok)
+        response.json.return_value = expected_response
+        requests = Mock()
+        requests.get.return_value = response
+
+        requests = Mock()
+        requests.get.return_value = response
+        self.client.requests = requests
+
+        # WHEN
+        result = self.client.get_user_opt_out_status(self.user['id'])
+
+        # THEN
+        requests.get.assert_called_once_with(
+            self.CROSSENGAGE_URL + 'users/1234/optout-status',
+            headers=self.default_headers_api_v1,
+            timeout=30
+        )
+
+        self.assertEqual(expected_response, result)
+
+    def test_update_user_opt_out_status(self):
+        """Crossengage returns status code 200"""
+        # GIVEN
+        expected_response = self.user.copy()
+        expected_response.update({"status_code": codes.ok})
+        response = Mock(status_code=codes.ok)
+        response.json.return_value = expected_response
+        requests = Mock()
+        requests.get.return_value = response
+
+        requests = Mock()
+        requests.put.return_value = response
+        self.client.requests = requests
+
+        # WHEN
+        result = self.client.update_user_opt_out_status(self.user['id'], self.user['channel'])
+
+        # THEN
+        requests.put.assert_called_once_with(
+            self.CROSSENGAGE_URL + 'users/1234/optout-status?channelType=' + self.user['channel'],
+            data='{"optOut": true}',
+            headers=self.default_headers_api_v1,
+            timeout=30
+        )
+
+        self.assertEqual(expected_response, result)