Connect your forms to Mailchimp and grow your audience

Formester’s native Mailchimp form integration adds or updates audience contacts from every submission. Map fields, apply tags, and choose immediate signup or double opt-in — no Zapier or code required.

Connect Mailchimp Read the setup guide

✓ Native OAuth · ✓ Audience field mapping · ✓ Double opt-in

Newsletter audience · Mailchimp

JK Jonas Kellerjonas@verge.dev Subscribed

First nameJonas

CompanyVerge

TagsProduct updates

✓Contact syncedjust now · Newsletter audience

Trusted by 56k+ teams worldwide

Why connect them

Build a list that is ready to email

Turn every form response into a campaign-ready Mailchimp contact without exports or copy-paste.

Audience growth

Add or update contacts

Each submission creates a new Mailchimp contact or updates the matching email address, keeping your audience clean.

Personalization

Map audience fields

Send names, phone numbers, companies, and other answers into the Mailchimp fields your campaigns use.

Segmentation

Apply Mailchimp tags

Choose one or more tags during setup so every synced contact is ready for the right segment and campaign.

Consent

Choose your opt-in flow

Subscribe contacts immediately or send Mailchimp’s double opt-in email before they join your audience.

How it works

Connect a form to Mailchimp in 3 steps

Choose an audience, map your fields, and start growing your email list.

Add Mailchimp and connect your account

Open your form, go to Automate → Integrations → Mailchimp, and sign in securely with Mailchimp OAuth.

AutoresponderIntegrationsWebhooks

Mailchimp

Add or update Mailchimp audience contacts from form submissions.

+ Add integration

Choose an audience and map fields

Pick your Mailchimp audience and email question, then map optional audience fields and select the tags to apply.

Mailchimp audience

Newsletter audience⌄

Field mapping

FNAME←First name

PHONE←Phone number

Tag Product updates

Choose opt-in, save, and test

Use immediate subscription or double opt-in, optionally sync existing submissions, then submit a test response.

Subscription status

Double opt-in

Sync existing submissions

✓Contact synced to Mailchimp

Testimonials

Forms that teams trust to grow

"Formester's Drag-and-drop functionality and pre-designed templates make creating forms extremely quick and easy. It's extensive customisation options …"

Bency M Kurian

Trustpilot

"I was searching for a long time for a product I could use to send newsletters and surveys to my database. I tried so many different types of software …"

Deanna Bugalski

Founder and CEO, Suggesterfy

"Formester offers a ton of features and my developer loves using it to integrate to various marketing pages. It's quick and easy to create using drag a…"

Karthik B.

G2 · Social Media Manager · B2C, SaaS, EdTech

Explore more integrations

HubSpot CRM

Push new form leads to HubSpot CRM instantly.

Google Sheets

Sync every form submission to Google Sheets in real time.

Slack

Get instant Slack alerts when a new form is submitted.

Zapier

Connect your forms to 8,000+ apps using Zapier.

Google Analytics

Track form events and user behavior in real time.

Webhook

Send form data to any tool instantly using webhooks.

FAQ

Mailchimp form integration FAQs

Find answers to common questions below, or reach out to our team for more help.

Free to start

Grow your Mailchimp audience from every form

Connect once and let new submissions organize themselves in Mailchimp.

Start free See pricing