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Block spam with reCAPTCHA

Register your site with Google reCAPTCHA v2 and connect the keys to your form. Available on the Pro plan and above.

Updated · 4 steps

On this page
  1. 1. Register your site with Google
  2. 2. Add the keys to your form

reCAPTCHA stops bots from submitting your forms. Form Builder Pro supports Google reCAPTCHA v2 (the "I'm not a robot" checkbox).

1. Register your site with Google

  1. Open the reCAPTCHA admin console (opens in a new tab).
  2. Enter a label, choose reCAPTCHA v2 → "I'm not a robot" Checkbox, and add the domains where your form appears.
  3. Accept the terms and click Submit.
    Google reCAPTCHA Register a new site form with label, reCAPTCHA v2, domains and terms numbered
  4. Copy the site key and the secret key.
    reCAPTCHA settings showing the site key and secret key copy buttons

2. Add the keys to your form

  1. Open the form in Form Builder Pro and go to the Behavior tab.
  2. Tick Enable reCAPTCHA?, paste the site key and secret key, and optionally change the error message.
    Form Behavior tab with Enable reCAPTCHA ticked and fields for site key, secret key and error message
  3. Save the form.