diff --git a/fbchat/utils.py b/fbchat/utils.py
index c8672bd..1314fea 100644
--- a/fbchat/utils.py
+++ b/fbchat/utils.py
@@ -133,6 +133,10 @@ class ReqUrl(object):
     SAVE_ADMINS = "https://www.facebook.com/messaging/save_admins/?dpr=1"
     APPROVAL_MODE = "https://www.facebook.com/messaging/set_approval_mode/?dpr=1"
     CREATE_GROUP = "https://m.facebook.com/messages/send/?icm=1"
+    DELETE_THREAD = "https://www.facebook.com/ajax/mercury/delete_thread.php?dpr=1"
+    MUTE_THREAD = "https://www.facebook.com/ajax/mercury/change_mute_thread.php?dpr=1"
+    MUTE_REACTIONS = "https://www.facebook.com/ajax/mercury/change_reactions_mute_thread/?dpr=1"
+    MUTE_MENTIONS = "https://www.facebook.com/ajax/mercury/change_mentions_mute_thread/?dpr=1"
   
     pull_channel = 0