This extension integrates your WP-CRM System contacts with MailChimp by allowing you to subscribe individual contacts to a list with the click of a button. You can automatically subscribe all of your contacts to a list at the same time, or subscribe them one-by-one.

Subscribe your contacts instantly or send an opt-in email to them - the choice is yours.

You can subscribe more than just their email address to your list. Use MailChimp's Merge Tags to send whatever information you need to send to make your list complete.

If your contact's email address is already subscribed to your list, you can send the rest of their contact details to your list with a quick click of a button.

New in version 3.0 you now have the ability to subscribe contacts to as many lists as you have in your MailChimp account. Simply enter the settings for each list you want to sync to.

You can also connect custom fields created with our Custom Fields extension to your MailChimp list.


  • Self-hosted WordPress website (version 3.3 or higher). Will not work on sites.
  • WP-CRM System plugin installed and activated (strongly recommended to update to the latest version).
  • A MailChimp account with the ability to create API keys.

WP-CRM System MailChimp Sync is not created by, affiliated with, or supported by The Rocket Science Group.

MailChimp Sync

  • Billed once per year until cancelled

  • Billed once per year until cancelled

  • Billed once per year until cancelled

Excluding 20% tax
  • WordPress 4.4+
  • PHP 7.1+
Current version: 3.0.2 VIEW SETUP DOCUMENTATION