Description
The MailChimp Integration synchronizes WordPress user registrations with MailChimp lists, adding an opt-in box to the registration form and sending profile data as merge fields for segmented campaigns. Designed for those who manage newsletters and email marketing workflows through MailChimp, it connects the site’s subscriber base to the service without requiring manual CSV exports or duplicate registrations with each new portal signup.
Key Features of MailChimp Integration
- Automatic registration synchronization
Sends new WordPress users to the MailChimp list at the time of registration. - Opt-in box on signup
Adds a subscription checkbox to the default WordPress registration form. - Merge fields mapping
Links user profile fields to list merge tags for segmentation. - Multiple list support
Lets you choose which MailChimp list receives subscribers from the site. - Centralized settings panel
Connects the API key and manages lists on a single screen within the admin.
Benefits of MailChimp Integration
- Always up-to-date list
Every new site user is added to the email marketing database without manual work. - Less operational rework
Eliminates CSV exports and periodic imports to keep MailChimp up to date. - More segmented campaigns
Profile data travels as merge fields and enables segmentation by interest or source. - Consent compliance
Explicit opt-in during registration follows lead-capture best practices and regulations such as LGPD and GDPR.
Who Is MailChimp Integration For?
- Those who maintain an active newsletter on MailChimp and want to feed the list directly through site registration.
- Content sites, member portals, and communities that rely on email marketing to retain their audience.
- Those who need to send segmented campaigns using WordPress user profile data.
How to Download MailChimp Integration
The MailChimp Integration is available for download here on Ultrapack. After downloading the .zip file, install it through Plugins > Add New > Upload Plugin, select the file, and activate it. Then, enter the MailChimp API key and choose the lists that will receive users registered through the site.
For sites that rely on email marketing to nurture their audience and turn visitors into recurring readers, keeping the MailChimp list manually updated wastes time and leaves room for outdated records. MailChimp Integration closes this loop by connecting WordPress registration directly to the service in the background, freeing the admin to focus on campaign content instead of import work.
Frequently asked questions
Is WPMUDEV MailChimp Integration GPL-licensed?
Yes. WPMUDEV MailChimp Integration is distributed under the GPL (GNU General Public License). You may legally use, modify and redistribute it on as many sites as you want.
Can I use WPMUDEV MailChimp Integration on multiple sites?
Yes. You can use WPMUDEV MailChimp Integration on multiple sites. The number of sites connected to Ultrapack Auto Updater is limited by your plan.
How much does WPMUDEV MailChimp Integration cost at Ultrapack?
WPMUDEV MailChimp Integration costs US$2.99 as a single purchase, and it is also included in the subscription plans starting at US$12/mo (VIP I).
Does WPMUDEV MailChimp Integration include updates?
Yes. The current version of WPMUDEV MailChimp Integration is 1.9.6, published at Ultrapack on Sep 8, 2017. Subscribers update straight from the WordPress dashboard with UAU (Ultrapack Auto Updater).
Is WPMUDEV MailChimp Integration scanned before publication?
Yes. Every version of WPMUDEV MailChimp Integration goes through a malware scan (ClamAV and YARA rules, at UltraHub) before it is published.
What changed in this version
Version 1.9.6 2017-09-04
- Fix: conflict with WooCommerce plugin
Version 1.9.4 2017-07-11
- Fix: Fatal error when using widget/shortcode
Version 1.9.3 2017-01-13
- Added filter to modify the MailChimp API request parameters
Version 1.9.1 2016-12-21
- Fix: Capabilities issue in single installations
Version 1.9.0 2016-12-19
- Enhance: Updated MailChimp API to 3.0
- Updated WPMU DEV Dashboard notification
Release notes published by the developer.
How to install
Automatic updates: this item is updated by the Ultrapack Auto Updater. With it installed, the new version shows up in your dashboard like any other WordPress update (how to set it up).
- Download the file
mailchimp-sync.zip. - In the WordPress dashboard, go to Plugins > Add New > Upload Plugin.
- Select the file
mailchimp-sync.zipand click Install Now. - Click Activate.
Stuck on a step? Open a ticket telling us which one you stopped at.

UAU Ready