CAPTCHA is a verification test designed to block bot entries by confirming that a form is being submitted by a human. This can dramatically reduce the number of spam leads created in your account.

A CAPTCHA field can be added to Forms, Surveys, and Product checkout forms.

Example of the CAPTCHA challenge in a Kartra form:

CAPTCHA challenge in a Kartra form


Add CAPTCHA to opt-in forms

  1. Go to Contacts > Forms and click the name of the form you want to edit
  2. On the Design page, click Customize to open the builder
  3. Click Fields in the left-side menu to edit the submission fields
    Edit the form fields to add captcha to a form
  4. Click + New field
    • Select My existing fields and select Captcha from the Field identifier drop-down.
    • Click Save to close the field selection window.
  5. Click Actions > Save & Exit to close the form builder when ready

Add CAPTCHA to surveys and quizzes

  1. Go to Contacts > Surveys and click the name of the survey or quiz you want to edit
  2. On the Questions page, click Edit to open the builder
  3. In the left sidebar, click ID Form
    • Identification must be toggled ON to access the ID Form.
  4. Hover over the form fields shown in the survey canvas to access the orange configuration menu
    Edit the ID form to add captcha to surveys
  5. Click the pencil icon to edit the ID Form fields
  6. Click + Add field
  7. Select My existing fields and select Captcha from the Field identifier drop-down
  8. Click Apply to save the form settings
  9. Click Actions > Save & Exit in the top right of the screen to exit the survey builder

Add CAPTCHA to checkout forms

  1. Go to Sales > Products and click the name of the product you want to edit
  2. Click the Checkout tab, then open the Checkout form fields module
    Edit the checkout form fields to add captcha
  3. Click + Add field
  4. Select My existing fields and select Captcha from the Field identifier drop-down
  5. Click Save to close the field selection window
  6. Save the Checkout form fields module