public async Task <IHttpActionResult> Register(RegisterBindingModel model) { if (!ModelState.IsValid) { return(BadRequest(ModelState)); } var user = new ApplicationUser() { UserName = model.Email, Email = model.Email }; IdentityResult result = await UserManager.CreateAsync(user, model.Password); if (!result.Succeeded) { return(GetErrorResult(result)); } Provider provider = new Provider(); provider.AddNewUser(Guid.Parse(user.Id), user.UserName); return(Ok()); }