[JsonExceptionFilter]
public class PersonController : ApiController
{

public class Startup
{
    public void ConfigureServices(IServiceCollection services)
    {
        services.AddMvc(options =>
        {
            options.Filters.Add(new JsonExceptionFilterAttribute());
        });
    }

public void Configuration(IAppBuilder app)
{
    var config = new HttpConfiguration();
    config.Filters.Add(new JsonExceptionFilterAttribute());

public void ConfigureServices(IServiceCollection services)
{
    services.AddMvc(options => options.Filters.Add(new JsonExceptionFilterAttribute()));
    ...

protected void Application_Start()
{
    GlobalConfiguration.Configuration.Filters.Add(new JsonExceptionFilterAttribute());
    ...