Add CAPTCHA to an interface or form

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Updated at August 20th, 2025

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Add CAPTCHA to an interface Add CAPTCHA to form components

CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) is a security system that helps prevent spam. You can set up your interface or form components to use CAPTCHA.

Add CAPTCHA to an interface

In Zapier Interfaces, you can restrict who can access your interface. Visitors to your interface will see a CAPTCHA when logging in if you’re using any of the following management options:

Anyone with the password.
Managed users only: One time passcode.
Managed users only: Advanced login.

If you use the Anyone with the link option, only visitors flagged as suspicious will see a CAPTCHA when logging in. To enable CAPTCHA:

In the left sidebar of your interface, click the Access & users icon to expand the sidebar.
In the Add CAPTCHA box, click the toggle switch to on.
Click Save changes.

Add CAPTCHA to form components

You can also add CAPTCHA to your form components. When this option is used, visitors must complete the CAPTCHA before submitting the form.

From any page of your interface, hover over a form component, then click Edit when it appears.
Select the Content tab.
In the Add CAPTCHA box, click the toggle switch to turn it on.
Click Save changes.

Add CAPTCHA to an interface or form

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Add CAPTCHA to an interface

Add CAPTCHA to form components

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