Webhooks are a simple way to glue disparate web services together using standing HTTP protocols in an easy to build for way.
I’d just like to introduce a very simple plugin that will add simple webhook functionality to your known site, allowing the administrator and individual site users to configure a URL that will be pinged whenever a user notification is sent (for example by a comment being received).
I use this to do some back end data analysis stuff on a couple of servers, so hopefully this will be useful to you!