FluentValidation working with WebAPI

gistfile1.cs

FluentValidationModelValidatorProvider.Configure(GlobalConfiguration.Configuration, config =>
{
    config.ValidatorFactory = new WebApiValidatorFactory(GlobalConfiguration.Configuration);
});

public class WebApiValidatorFactory : ValidatorFactoryBase 
{
    private readonly HttpConfiguration _configuration;

    public WebApiValidatorFactory(HttpConfiguration configuration)
    {
        _configuration = configuration;
    }

    public override IValidator CreateInstance(Type validatorType)
    {
       return _configuration.DependencyResolver.GetService(validatorType) as IValidator;
    }
}

public class ValidationRegistry : Registry
{
    public ValidationRegistry()
    {
        AssemblyScanner.FindValidatorsInAssemblyContaining<ValidationRegistry>()
          .ForEach(result =>
          {
              For(result.InterfaceType)
                 .Use(result.ValidatorType);
          });
    }
}