Description
The MailChimp add-on connects Ultimate Member sign-ups to your MailChimp lists, adding opt-in in the registration form and automatically syncing new users as subscribers. It also lets you display multiple lists per form, restrict lists by user role, and sync profile metadata with MailChimp fields—ideal for anyone who captures leads via membership and wants the email marketing base to stay aligned with the site’s sign-up activity.
MailChimp Key Features
- Automatic enrollment at registration
Adds new Ultimate Member users directly to a MailChimp list when they complete registration. - Opt-in in the form
Inserts an optional subscription checkbox in the registration form for users who want to authorize before joining the list. - Multiple lists per form
Allows you to link multiple lists to the same registration and let the user choose which ones they want to receive emails from. - Different lists per form
Shows different list combinations in each Ultimate Member registration form. - Metadata synchronization
Mirrors Ultimate Member profile fields as merge fields in MailChimp contacts. - Account management
Enables enrollment and list cancellation directly on the user’s own account page. - Role-based restriction
Limits which list is shown to specific roles defined in Ultimate Member.
MailChimp Benefits
- Email base always up to date
Eliminates the manual work of exporting sign-ups and uploading contacts to MailChimp. - More lead conversion
Leverages the sign-up moment to grow your email marketing list without extra friction. - Granular segmentation
Lets you separate users by interest and role to send targeted campaigns to each group. - User autonomy
Reduces unsubscribe requests to support by putting list management in the member’s own account.
Who Is MailChimp Recommended For?
- Anyone running a membership site with Ultimate Member and wants to capture emails for campaigns in MailChimp.
- Ideal for those who offer newsletters, courses, or content segmented by user profile.
- Anyone who needs to segment the base by role (subscriber, author, student) and send specific communications to each group.
- Online communities that want to give members autonomy to manage sign-ups directly in their own account.
How to Download MailChimp
The MailChimp is available for download here on Ultrapack. After downloading the .zip file, install it in Plugins > Add New > Upload plugin, select the file, and activate it. The configuration options for the API key and list mapping will appear in the Ultimate Member panel after activation.
Designed for membership sites that rely on email marketing, the MailChimp add-on shortens the path between signing up on Ultimate Member and getting the contact into an active campaign. The integration unifies login, profile, and email communication into a single flow, keeping role-based segmentation and the user’s own control over which lists they want to follow over time.
Frequently asked questions
Is Ultimate Member MailChimp GPL-licensed?
Yes. Ultimate Member MailChimp 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 Ultimate Member MailChimp on multiple sites?
Yes. You can install Ultimate Member MailChimp on as many sites as you want. Only automatic updates through Ultrapack Auto Updater have a limit: from 3 to 80 sites, depending on the plan.
How much does Ultimate Member MailChimp cost at Ultrapack?
Ultimate Member MailChimp 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 Ultimate Member MailChimp include updates?
Yes. The current version of Ultimate Member MailChimp is 2.7.0, published at Ultrapack on Sep 30, 2026. Subscribers update straight from the WordPress dashboard with UAU (Ultrapack Auto Updater).
Is Ultimate Member MailChimp scanned before publication?
Yes. Every version of Ultimate Member MailChimp goes through a malware scan (ClamAV and YARA rules, at UltraHub) before it is published.
What changed in this version
Version 2.7.0
- Tweak: Improved WPCS compatibility. Refactored the code and classes.
- Fixed: Using unique nonce for the AJAX requests.
- Fixed: Sanitize email template data with escaping functions.
- Deprecated
- Removed: The "Enable this connection" connection setting as outdated.
- Templates Requiring Update
- Renamed templates/account_email_newsletters.php → templates/account.php
- Renamed templates/fieldset_ch.php → templates/fieldset-ch.php
- Renamed templates/form_subscribe.php → templates/form-subscribe.php
- Renamed templates/form_unsubscribe.php → templates/form-unsubscribe.php
- email/mc_unsubscribe.php
- field.php
- fieldset.php
Version 2.6.2
- Tweak: Integration with Ultimate Member Extensions_Updater class. Updated packages for integration with Action Scheduler.
Version 2.6.1
- Fixed: Member Directory displaying when there isn't active MailChimp connection.
Version 2.6.0
- Added: The extension settings and connection information to the Site Health "Info" page.
- Tweak: Improve descriptions for the extension settings.
- Tweak: Implement new UI and functionality updates.
- Tweak: Replaced Font Awesome icons with WordPress Dashicons for consistency across all wp-admin interfaces.
- Tweak: Refactor integrations and update extension dependencies.
- Tweak: Used new filesystem class.
- Templates required update
- account_email_newsletters.php
- field.php
- fieldset.php
- fieldset_ch.php
- Cached and optimized/minified assets(JS/CSS) must be flushed/re-generated after upgrade
Version 2.5.0
- Added: Settings "Enable language field" and "Default language".
- Added: Filter requests and search in the "Requests log".
- Added: The "Import users from MailChimp" dashboard widget.
- Fixed: The `init` hook priority conflict.
- Tweak: Changed the extension structure to improve performance.
- Tweak: The "Log all responses" setting replaced with the `um_mailchimp_log_response` filter hook.
- Removed: The "Sync Profiles" dashboard widget.
- Templates required update
- account_email_newsletters.php
- field.php
- fieldset.php
- fieldset_ch.php
- form_subscribe.php
- form_unsubscribe.php
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).
This item is an add-on for the Ultimate Member plugin. Installed on its own it throws no error, but it does not work either.
- Install and activate the Ultimate Member plugin before this one.
- Download the file
um-mailchimp.zip. - In the WordPress dashboard, go to Plugins > Add New > Upload Plugin.
- Select the file
um-mailchimp.zip, click Install Now and then Activate.
- Both stay active at the same time. Deactivating the Ultimate Member plugin turns this add-on off with it.
- An add-on settings usually show up inside the main plugin screens, not in a menu of their own. If you find nothing new in the dashboard after activating, look there before opening a ticket.
Stuck on a step? Open a ticket telling us which one you stopped at.

UAU Ready