Microsoft announced earlier this month that it's planning to deprecate the Exchange Web Services API for Office 365 users.

In this article I would present a discussion on implementing HTTP authentication in Web API with code examples to illustrate the concepts discussed.

It’s less than a year until Microsoft turns off Basic Authentication for its Exchange Web Services (EWS). While new apps like Office 365 Pro Plus use modern authentication techniques, if you ...

GUEST OPINION: The use of Basic Authentication over the internet is as old as the basic standard for the world wide web. Its use was outlined in May 1996 as part of the standard for version 1.0 of ...

API key authentication has nothing to do with user authentication, i.e., validating the credentials of the user of the application making the request. For truly secure authorization, you must use ...

They also should switch to using OAuth 2.0 for Exchange Online authentications in their applications, which is a "more secure and reliable" means of accessing data than Basic Authentication, according ...