Should I use a re-captcha in my forms? Russell Jones 08 February 2021 16:48 Updated A captcha helps prevent bots from being able to sign up to your forms. Currently, we support Google ReCaptcha up to version 2. If you are not using double opt-in in your subscription flow then we recommend adding that. Of course, you can do both. Comments 0 comments Please sign in to leave a comment.