When a new email list subscriber joins via Umso, add the subscriber to Mailchimp
When a visitor subscribes through an email capture form on your Umso site, this workflow adds them to your Mailchimp audience, or updates the existing member, so new sign-ups are ready for your next campaign.
Umso
Mailchimp2 steps Setup ~5 min Used on 301 sites Free to import

What this workflow does
Umso makes it easy to put an email capture form on a landing page, but your newsletters probably go out from Mailchimp. Exporting subscribers from one and importing them into the other leaves gaps between batches. This workflow passes each new subscriber across as they sign up.
The Umso trigger fires when a contact subscribes through one of your site's email capture forms. FlowMattic receives the subscriber details Umso sends, usually the email address. The Mailchimp step then runs Add New Member on the audience you pick: a new address becomes a member, and an address already on the list has its member record updated.
Every Umso sign-up runs the workflow. Someone who subscribes on two of your pages is sent to Mailchimp twice, which updates the same member rather than adding a copy. Task History shows each run and the data it sent.
Launch waitlist on an Umso page
A startup collects waitlist emails on its Umso landing page. Each sign-up joins the Mailchimp audience that will receive the launch announcement.
Blog newsletter footer form
Readers subscribe from the footer of an Umso site. Mailchimp sends them the regular newsletter with no manual export.
Gated download on a landing page
Visitors leave an email to get a guide. The address goes into Mailchimp, where a welcome email delivers the download link.
How this workflow runs
What happens at each step once the workflow is on, and what you need before you import it.
Umso New Email List SubscriberFires when someone subscribes through an email capture form on your Umso site. The subscriber details Umso sends become available to map into Mailchimp.
Mailchimp Add New MemberAdds the subscriber to the Mailchimp audience you choose, or updates them if their email is already a member. Map the email from the Umso trigger data.
What you need
- FlowMatticCore
- Umso AccountAccount
- Mailchimp AccountAccount
After importing, map your own data. To keep the template universal, not every step is pre-filled. Open each step in the builder and connect your accounts and fields (channels, lists, sheets, recipients) before you switch the workflow on.
Make it yours
Changes worth making after you import it.
- Subscribe through your own Umso form once after import, so FlowMattic captures the trigger fields, then map the email address in the Mailchimp step.
- If you run several Umso pages for different offers, tag or segment the new members in Mailchimp by source so you can send each group the right follow-up.
- Turn on a Mailchimp welcome automation for the audience you pick, so every subscriber this workflow adds receives a first email from you.
Questions about this workflow
What happens if the Umso subscriber is already in my Mailchimp audience?
Add New Member updates that member rather than creating a second entry. Blank values in a later sign-up can replace details Mailchimp held, so map only fields Umso always sends.
Do Umso contact form submissions also reach Mailchimp?
No. This trigger covers email capture forms only. Umso's Contact Form Submission is a separate trigger you would use in its own workflow.
Are subscribers who signed up before I import the workflow included?
No. Only sign-ups made after the workflow is on reach Mailchimp. Move earlier subscribers with a one-time export from Umso and import into Mailchimp.
Can I send Umso subscribers to more than one Mailchimp audience?
Add a second Mailchimp step pointed at the other audience. Each sign-up then runs both steps.
More Email Marketing workflows
Other ready-to-import templates from the same category.
Import this workflow into your WordPress site
Download the JSON, import it from the Workflows screen and connect your accounts. Every run stays on your server, with no per-task fees.
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