I am new to WebApi and MVC4 and am trying to create a Rest API in C#. I am using twilios tools TwilioCSharp and Twilio.MVC. How do I test the interface between the User sending a text to the short code of Twilio and Twilio doing a HTTP Post to my URL and my api sending the response back via an sms? I am behind a firewall and I don't have any clue how to test if my api actually works. Please help.
Also if anybody can post some examples of how to validate to check if the POST request coming is from Twilio would be very helpful. Thank you.