option how you can do it when you use json api what endpoints should we provide so we need an endpoint for uh creating of the user so for a resource and we provide additional endpoint for validation uh validation and can have a response okay if the validation is correct or a conflict or some kind of custom error and if we look at the other example for registration it could be a similar so we send have a registration endpoint and registration validate endpoint okay next next use case is classified so to help with anyone who is not