Over the last two decades, REST has become the de facto standard when it comes to designing Web APIs, as it doesn't require any special initialisation or libraries when working with APIs and offered structured access to resources. But as the need for more efficiency and flexibility for requirements arose, GraphQL started to become a favored alternative. While both offer their own advantages, which one should you be using?

Two key folks from Postman answer this on our third Technology Smackdown, with OpenAPI Lead Arnaud Lauret returning to represent REST and Open Technologies Technical Lead Doc Jones for the GraphQL side.