Apache Avro is becoming a popular choice for Java Object Serialization in Event Driven Architectures using Apache Kafka, due to its compact binary payloads and stringent schema support. If combining Event Notification using Kafka with traditional Request-Response, it is convenient to use the same serialization mechanism for the domain objects, regardless of if they are part of events emitted over Kafka or requested through a REST API. Here's how to do that in a Spring-MVC REST environment.