<div class="form-group row"> <input type="hidden" id="captcha-box" name="g-recaptcha-response"/> <script src="https://www.google.com/recaptcha/api.js?render=6LdgoeohAAAAAIX9OroXcrE4roDtrCksUdZa7Jgc"></script> <script> grecaptcha.ready(function () { grecaptcha.execute('6LdgoeohAAAAAIX9OroXcrE4roDtrCksUdZa7Jgc', {action: 'contact'}).then(function (token) { var recaptchaResponse = document.getElementById('captcha-box'); recaptchaResponse.value = token; }); }); </script> </div>