Returning the location of a newly created resource using Request Uri.

CustomerController.cs

//Taken from http://codebetter.com/glennblock/2012/05/24/two-ways-to-work-with-http-responses-in-apicontroller-httpresponsemessage-and-httpresponseexception/
public class CustomerController : ApiController 
{
  private ICustomerContext repo;

  public CustomerController(ICustomerContext repo) 
  {
    this.repo = repo;
  }
  
  public HttpResponseMessage Post(Customer customer) 
  {
    repo.Add(customer);
    repo.SaveChanges();
    var response = Request.CreateResponse(HttpStatusCode.Created, customer);
    response.Headers.Location = new Uri(Request.RequestUri, string.format("customer/{0}", customer.id));
    return response;
  }
}