You might not need REST either. Or SOAP. Or gRPC. Or a formal API at all. You might not need any of these things. But you do need something. If any of them are

You might not need REST either. Or SOAP. Or gRPC. Or a formal API at all. You might not need any of these things. But you do need something. If any of them are as easy as any other to implement, then why not choose the most capable one? GraphQL isn't as easy as the others to implement. But its not that much harder with the help of Apollo or something similar in other languages. And its much more capable. Great article, though.