Are the parameters of REST services required

Support
#1

are the parameters of REST services required? supports optional parameters?

#2

What rest services and what parameters?

#3

services for REST API

#4

If you are talking about this, then parameters are required. Parameters number and types are used to choose a correct method to be called, e.g. in case when your service has two methods like doSomething(String arg1) and doSomething(String arg1, String arg2)