diff --git a/fbchat/client.py b/fbchat/client.py
index 3b28f2d..795b280 100644
--- a/fbchat/client.py
+++ b/fbchat/client.py
@@ -1116,6 +1116,18 @@ class Client(object):
             data['specific_to_list[0]'] = "fbid:{}".format(thread_id)
         return self._doSendRequest(data)
 
+    def unsend(self, mid):
+        """
+        Unsends a message (removes for everyone)
+
+        :param mid: :ref:`Message ID <intro_message_ids>` of the message to unsend
+        """
+        data = {
+            'message_id': mid,
+        }
+        r = self._post(self.req_url.UNSEND, data)
+        r.raise_for_status()
+
     def _sendLocation(self, location, current=True, thread_id=None, thread_type=None):
         thread_id, thread_type = self._getThread(thread_id, thread_type)
         data = self._getSendData(thread_id=thread_id, thread_type=thread_type)
diff --git a/fbchat/utils.py b/fbchat/utils.py
index 7d8003f..c39e652 100644
--- a/fbchat/utils.py
+++ b/fbchat/utils.py
@@ -141,6 +141,7 @@ class ReqUrl(object):
     GET_POLL_OPTIONS = "https://www.facebook.com/ajax/mercury/get_poll_options"
     SEARCH_MESSAGES = "https://www.facebook.com/ajax/mercury/search_snippets.php?dpr=1"
     MARK_SPAM = "https://www.facebook.com/ajax/mercury/mark_spam.php?dpr=1"
+    UNSEND = "https://www.facebook.com/messaging/unsend_message/?dpr=1"
 
     pull_channel = 0