Is it bad to create different classes for REST request and response?

Question

I\'m working in a Spring Boot project, as my implement at the moment, almost for each API I have request and response classes.

For example:

Answer 1

Don't subclass the req/resp objects.

Use an auto de/serialiser like Jackson in your frame work to convert message payloads into business object.

However, you will still end up with a large number of business objects.