Good news everyone, It is no longer just REST vs. GraphQL! Additional API styles like Kafka, gRPC, and others are getting more and more traction and stirring the stalled waters of API type decision-making. In 2019 there are more API styles to choose from than ever. But how should you decide which one is right if you are a software architect or an API product owner? Building on the 2018's discussion of which one is the best (REST or GraphQL), this talk will present you the critical review of eight (8) popular API styles. But more importantly, you will learn the decision-making framework for selecting the right style for your next project! The talk will come with real-world examples from both Fortune 500 companies and cutting-edge startups alike to illustrate further serve as the reference for decisions.