A webhook in web development is a method of augmenting or altering the behavior of a web page or web application with custom callbacks. These callbacks may be maintained, modified, and managed by third-party users and developers who may not necessarily be affiliated with the originating website or application. The term "webhook" was coined by Jeff Lindsay in 2007 from the computer programming term hook.The format is usually JSON. The request is done as a HTTP POST request. == Function == Webhooks are "user-defined HTTP callbacks". They are usually triggered by some event, such as pushing code to...