Captcha by Yandex for Contact Form 7


Yandex Captcha protects you against spam and other types of automated abuse. With Contact Form 7’s Yandex Captcha integration module, you can block abusive form submissions by spam bots.

Using of a 3rd Party or external service

This plugin uses Yandex SmartCaptcha service for its main functionality. Please read terms of use

To implement the main plugin functionality, this plugin makes remote requests to yandex smart captcha service ( within three cases:
– to check yandex captcha sitekey validity
– to load captcha challenge
– to check a solving result


  • There is a configuration page placed
  • What configuration block looks like
  • How to place captcha into contact form
  • Captcha settings
  • Captcha frontend view
  • When the system suspects you
  • Just captcha block
  • Just captcha block in russian


This section describes how to install the plugin and get it working.

  1. Upload the plugin files to the /wp-content/plugins/captcha-by-yandex-for-contact-form-7 directory, or install the plugin through the WordPress plugins screen directly.
  2. Activate the plugin through the ‘Plugins’ screen in WordPress.
  3. Go to Contact form 7 plugin integration page
  4. Setup site key and server key from yandex cloud
  5. Open the contact form and press Yandex captcha tag button to add captcha in your form


Where I can get my site key and server key

Open login, add Yandex SmartCaptcha service and generate your keys

How to hide captcha from customers

When you add yandex captcha into your form, please check Use invisible captcha


nuxwasun 4, 2024 1 reply
Спасибо за плагин. Быстро и удобно встраивать каптчу.
Read all 2 reviews

Contributors & Developers

“Captcha by Yandex for Contact Form 7” is open source software. The following people have contributed to this plugin.




  • Refactor captcha loading
  • Fix load a few captchas on one page
  • Execute invisible captcha only on submitting (on page load was before)


  • Add blueprint
  • Fix author name like my other plugins


  • Update code due deploy review


Fix wp codex issue
Allows using few forms in one page


Reduce php version to 7.4
Fix verify captcha on some cases


  • Basic functionality released.