Description
MailChimp Popup addon connects Popup Builder pop-ups directly to Mailchimp lists, turning each displayed form into a subscription channel synchronized in real time with your account. The integration maps form fields (first name, email, last name) to the corresponding fields of the chosen audience, eliminating manual CSV exports and keeping the contact base always updated for email marketing campaigns.
Main Features of MailChimp Popup
- API key connection
Links the site to the Mailchimp account by entering the API key in the Popup Builder panel. - Audience list selection
Allows choosing which Mailchimp list the new subscribers will be added to. - Form field mapping
Associates subscription pop-up fields to equivalent merge fields in the selected list. - Automatic subscriber sending
Synchronizes each pop-up submission as a new subscriber in the selected audience. - Compatibility with subscription pop-ups
Works with Popup Builder’s native pop-up types aimed at email capture.
Benefits of MailChimp Popup
- Email list always updated
Each visitor registered in the pop-up is directly added to the audience without manual work. - Less operational friction
No need to export spreadsheets and import contacts one by one into the Mailchimp panel. - Continuous lead capture
Turns site traffic into a segmentable base for campaigns and automations. - Code-free setup
The entire integration is done via interface inside the WordPress panel.
Who Is MailChimp Popup For?
- Those who already use Mailchimp as their main email marketing tool and want to grow the list through their own site.
- For you who publish regular content (blog, newsletter, courses) and need to capture readers’ emails through pop-ups.
- Those who maintain subscription pop-ups with Popup Builder and want to send contacts to Mailchimp automatically.
How to Download MailChimp Popup
MailChimp Popup is available for download here on Ultrapack. After saving the .zip file, go to Plugins, Add New, Upload plugin, select the file and activate; with Popup Builder already installed, the API key and list settings appear within the subscription pop-up options.
Aimed at those capturing emails directly on WordPress pages and centralizing campaigns in Mailchimp, this addon closes the cycle between pop-up display and audience update. Instead of treating the pop-up as an isolated element, it integrates capture into the email marketing flow, allowing each interested visitor to become a subscriber ready to receive sequences, newsletters, and segmented campaigns.
Frequently asked questions
Is Popup Builder MailChimp Popup GPL-licensed?
Yes. Popup Builder MailChimp Popup 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 Popup Builder MailChimp Popup on multiple sites?
Yes. You can use Popup Builder MailChimp Popup on multiple sites. The number of sites connected to Ultrapack Auto Updater is limited by your plan.
How much does Popup Builder MailChimp Popup cost at Ultrapack?
Popup Builder MailChimp Popup 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 Popup Builder MailChimp Popup include updates?
Yes. The current version of Popup Builder MailChimp Popup is 4.4, published at Ultrapack on Feb 25, 2024. Subscribers update straight from the WordPress dashboard with UAU (Ultrapack Auto Updater).
Is Popup Builder MailChimp Popup scanned before publication?
Yes. Every version of Popup Builder MailChimp Popup goes through a malware scan (ClamAV and YARA rules, at UltraHub) before it is published.
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 Popup Builder plugin. Installed on its own it throws no error, but it does not work either.
- Install and activate the Popup Builder plugin before this one.
- Download the file
popupbuilder-mailchimp.zip. - In the WordPress dashboard, go to Plugins > Add New > Upload Plugin.
- Select the file
popupbuilder-mailchimp.zip, click Install Now and then Activate.
- Both stay active at the same time. Deactivating the Popup Builder 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