What is an Endpoint?

Question

I have been reading about OAuth and it keeps talking about endpoints. What is exactly an endpoint?

Answer 1

An endpoint is the 'connection point' of a service, tool, or application accessed over a network. In the world of software, any software application that is running and "listening" for connections uses an endpoint as the "front door." When you want to connect to the application/service/tool to exchange data you connect to its endpoint