Post to SharePoint Online using REST with APP Only IDs

This is the first in a series of three posts about connecting to SharePoint Online or Azure Web APIs using APP Only IDs.

• Connecting to SharePoint Online or Azure Web APIs using APP Only IDs
• Createing an Azure Web API that returns Auth Token and Request Digest
• Accessing Azure Web API with an App Only Token

There are lots of Posts detailing the steps out there but few write down the complete code in C#.