Contact Form 7 – reCAPTCHA (v3) Refer Contact form 7 help document for details: Contact Form 7 – reCAPTCHA (v3) reCAPTCHA v3 doesn’t need a CAPTCHA widget (the “I’m not a robot” checkbox used in reCAPTCHA v2) to work. Protected by reCAPTCHA anchor is visible front end.