How to Use Message Brokering to Choreograph Microservices

One of the first decisions that needs to be made when building microservicesis how to manage service-to-service communication. The usual answer from many developers is with API calls, but building asynchronous things on top of a synchronous protocol raises further questions. In a recent poston the Nordic APIs Blog, Francisco Méndez Vilas discusses asynchronous API calls as a more appropriate answer to the communications question.
 
Not to be confused with non-blocking APIs, asynchronous APIs don’t adhere to the client-server model.