GraphQL is an alternative to the commonly used REST API approach. When using GraphQL you only get one single endpoint to the server and through that endpoint you need to specify the exact data you need. It was created by Facebook in 2012 and open-sourced in 2015.
Websockets in iOS 13, macOS 10.15, tvOS 13, watchOS 6 and Mac Catalyst have gained first-class citizen status in networking stack. Apple has finally added support in URLSession and for lower level in Network.framework for their platforms. This time we will focus on implementing Websockets using URLSession capabilities.