Spam protection for MODX forms without CAPTCHA, reCAPTCHA or puzzles. Checks contact, FormIt, sign-up and AJAX forms in the cloud and blocks spam bots. Used on 1,100,000+ websites.
Free months for your review. Post a review about CleanTalk on a community platform (for example, community.modx.com), then send us the link from your CleanTalk dashboard > Bonuses. We add free months to your annual license.
- Any front-end form that sends POST data, including FormIt
- AJAX forms
- Optional: forms without an email field
- MODX 3.x or 2.x (tested on MODX 3.2.4, PHP 8.2)
- CleanTalk access key: cleantalk.org/register, 7-day free trial, no card
- Extras > Installer > Download Extras, search "CleanTalk", install
- System Settings > namespace
antispambycleantalk>api_key: paste your access key
| Setting | What it does |
|---|---|
antispambycleantalk.api_key |
Your access key |
antispambycleantalk.plugin_enabled |
Turns protection on or off |
antispambycleantalk.exclusions_url |
Pages to skip, comma separated |
antispambycleantalk.check_forms_without_email |
Also check forms with no email field |
We offer free Anti-Spam and Security licenses to developers who contribute to the development and maintenance of our plugins.
How to qualify for free licenses:
- Have at least one contribution to our plugins approved.
- Manage plugin, module, or extension releases and maintain their listings on relevant community platforms.
Interested? Contact us at welcome@cleantalk.org to claim your free licenses.
If this extra helps you, please star ⭐ the repository.

