public async Task <IHttpActionResult> AddShipper([FromBody] UpdateShipperRequest createRequest)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            var shipper = await _shipperService.CreateShipperAsync(createRequest);

            var location = string.Format("/api/shippers/{0}", shipper.ShipperID);

            return(Created <Shipper>(location, shipper));
        }