validationHandler String|Function|Object

The URL, AJAX settings or function that validates the text input. When used with function, call the args.success method with boolean value.

Configure the Handler as a Function

    <input id="captcha" />
    <script>
        $("#captcha").kendoCaptcha({
            validateOnBlur: true,
            handler: "https://demos.telerik.com/kendo-ui/captcha/reset",
            validationHandler: function (args) {
                args.success(false);
            },
        });
    </script>

Configure the Handler by Passing a Link

    <input id="captcha" />
    <script>
        $("#captcha").kendoCaptcha({
            validateOnBlur: true,
            handler: "https://demos.telerik.com/kendo-ui/captcha/reset",
            validationHandler: "https://demos.telerik.com/kendo-ui/captcha/validate",
        });
    </script>