No. GET will do nothing (see the method handler: https://github.com/zf-fr/zfr-rest/blob/master/src/ZfrRest/Mvc/Controller/MethodHandler/GetHandler.php)

Now you can easily define your own handler. It's pretty easy to do thanks to the traits: https://github.com/zf-fr/zfr-rest/blob/master/src/ZfrRest/Mvc/Controller/MethodHandler/DataValidationTrait.php