| So, does your user have the correct permissions to post status updates? Here is Jenkins building when using my api token:  Here is Jenkins building when using my user/pass:  Here is Jenkins building when using the user bob who has Read permission only on the repo:  Now if we give bob Write permissions on the repo:  So it seems like the issue here is that you are getting an ugly error message... though the message is completely accurate, could not send notification because unauthorized. Seems like everything is functioning as designed |