HttpPost Route api register usercard public IHttpActionResult Register

[HttpPost]
        [Route("api/register/usercard")]
        public IHttpActionResult RegisterUserCard(UserCardModel userCard) {
            registrationService.RegisterUserCard(mapper.Map<UserCardModel, UserCardDTO>(userCard));
            return Ok();
        }

        [HttpPut]
        [Route("api/update/usercard")]
        public IHttpActionResult UpdateUserCard(UserCardModel userCard) {
            try {
                registrationService.UpdateUserCard(mapper.Map<UserCardModel, UserCardDTO>(userCard));
                return Ok();
            } catch (UserCardNotFoundException e) {
                return InternalServerError(e);
            }
        }

        [HttpDelete]
        [Route("api/update/usercard")]
        public IHttpActionResult DeleteUserCard(UserCardModel userCard) {
            try {
                registrationService.DeleteUserCard(
                    mapper.Map<UserCardModel, UserCardDTO>(userCard)
                );
                return Ok();
            } catch (UserCardNotFoundException e) {
                return InternalServerError(e);
            }
        }

        [HttpGet]
        [Route("api/search/usercard")]