reCAPTCHA Validate Delphi

recaptcha-validate.pas

const
  BASE_URL = 'https://www.google.com/recaptcha/api/siteverify';
  SECRET_KEY = 'MY SECRET KEY';
var
  LResponse: IResponse;
begin
  LResponse := TRequest.New.BaseURL(BASE_URL)
    .AddParam('secret', SECRET_KEY)
    .AddParam('response', 'TOKEN GERADO PELO CAPTCHA')
    .Post;  
  Result := LResponse.JSONValue.GetValue<boolean>('success');
end;