REST doesn’t provide any guidelines for how authentication for the API should be done. You can use basic HTTP authentication, OAuth2 or even your own custom developed authentication method.

Just another question about the Microsoft Graph REST API.... I'm trying to use the API to retrieve messages in my Outlook inbox. It's working for the most part, but filtering on the from address ...

GraphQL vs. REST API: What’s the Difference? According to Ryan Anderson, platform architect at Perfect Sense, both GraphQL and REST utilize JSON as the primary data communication format.

REST APIs have become the workhorse of modern, API-driven application development. By adding this new conversion utility, IT organizations do not have to create and manage a separate set of APIs.