1&1 IONOS Address Book


The 1&1 IONOS Address Book sends visitor contact data generated by forms embedded into WordPress websites to 1&1 IONOS Address Book
Current supported contact form types are: Contact Form 7 and WPforms Lite


  1. Upload the 1&1 IONOS Address Book to the /wp-content/plugins/ directory.
  2. Activate the plugin through the ‘Plugins’ menu in WordPress.
  3. Activate connection to 1&1 IONOS Address Book API as described in plugin welcome page on admin dashboard
  4. Save your changes.

Contributors & Developers

“1&1 IONOS Address Book” is open source software. The following people have contributed to this plugin.



Project and support maintained on github at 1and1/wp-cosy-address-book.


  • added license file