$(function () {
    $("[data-val-creditcard]").validate({
        onkeyup: false
    })
});

public class CreditCardValidator : DataAnnotationsModelValidator<CreditCardAttribute>
{
    string _message;

    public CreditCardValidator(ModelMetadata metadata, ControllerContext context, CreditCardAttribute attribute)
        : base(metadata, context, attribute)
    {
        _message = attribute.ErrorMessage;
    }

    public override IEnumerable<ModelClientValidationRule> GetClientValidationRules()
    {
        var rule = new ModelClientValidationRule
        {
            ErrorMessage = _message,
            ValidationType = "creditcard"
        };
        rule.ValidationParameters.Add("onkeyup", false);
        return new[] { rule };
    }
}

$('#my-form').validate({
   rules: {
     [...]
   }
}
// Disable keyup validation for credit card field
$("[data-val-creditcard]").keyup(function() { return false } );

var validator = $("form").data("validator");
if (validator) {
    validator.settings.onkeyup = false; // disable validation on keyup
}

var validator = $("form").data("validator");
if (validator) {
    validator.settings.onkeyup = false;
}

validator.settings.onfocusout = function(element)
{
    $(element).valid();
};

var validator = $("form").data("validator");
        if (validator)
        {
            validator.settings.onkeyup = false;
            validator.settings.onfocusout = function(element)
            {
                $(element).valid();
            };
        }

$.validator.setDefaults({
   onkeyup: false
})