Give links to examples of writing a service?

Question

API

Give an example of developing a service that should be performed on the Web and without user intervention, according to the underlying logic, perform certain actions with other online services via Api.
It is desirable that something from javascript with node.js, it is possible on .net and in the azure cloud on php is not needed. In general, it would be nice if there was a blank that starts a certain process, and inside I myself will sign what I need.

Answer 1

Full of documentation: www.asp.net/web-api/overview/older-versions/build-... , www.asp.net/web-api/overview/getting-started-with-...

Answer 2

google for webservices asp net example