This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

Free mobile number verification for CF7


This plugin is an addon plugin which will work only with wordpress contact form 7
this plugins uses the API services from All registered users in www.cognalys.comis powered with 500 free mobile number verifications per day.

This plugin supports the webmasters to verify the mobile number of the contact form users by a missed call verificaton OTP / two factor authentication.


Missed call based mobile number verification.
Two factor authentication.
Plug n Play integration.
Lead generation forms.
Spam protection.


Contact form 7



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


  1. Upload missed-call-mobile-number-verification-add-on-for-contactform7-cognalyscom folder to the /wp-content/plugins/ directory
  2. Activate the plugin through the ‘Plugins’ menu in WordPress
  3. Grab access token and app id (
    help: )

  4. Mention those in settings.


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Contributors & Developers

“Free mobile number verification for CF7” is open source software. The following people have contributed to this plugin.