Connect Wix Forms to Mailchimp
Subscribe Wix contacts to Mailchimp audiences with tags, custom merge fields, and double-optin support.
Step-by-step guide: How to Connect Wix Studio Forms to Mailchimp (Zero Zapier Guide)When a visitor submits a Wix or Wix Studio form, FormWix validates the input at the edge and dispatches the payload to Mailchimp synchronously without queuing delays:
{
"form_id": "fw_live_studio_contact",
"event": "form_submission",
"timestamp": "2026-10-01T08:00:00.000Z",
"client_domain": "example-agency.com",
"fields": {
"email": "Sample Value",
"fname": "Sample Value",
"lname": "Sample Value",
"tags": "Sample Value",
"marketing_permissions": "Sample Value",
"merge_vars": "Sample Value"
},
"metadata": {
"wix_page_url": "https://example-agency.com/contact",
"routing": "direct",
"status": "200 OK"
}
}How to Connect Mailchimp to Wix Studio (3 Steps)
Copy Your Endpoint
Enter your Mailchimp API Key and Audience/List ID.
Bind to Native Wix Studio Form
Map form fields to Mailchimp Merge Tags.
Authorize Mailchimp Destination
Enable optional GDPR consent compliance checkboxes.
Supported Fields & Schema Mapping
FormWix automatically reconciles and normalizes these field names when forwarding data into Mailchimp:
Native Velo Script (Zero Dependencies)
Copy this lightweight snippet into your Wix Studio page code to stream submissions natively without embedding external iframes:
import { fetch } from 'wix-fetch';
$w.onReady(function () {
$w('#submitButton').onClick(async () => {
// 1. Prepare form submission payload
const payload = {
formId: 'YOUR_FORM_ID', // Replace with your Form ID from FormWix Dashboard
data: {
email: $w('#emailInput').value,
name: $w('#nameInput').value,
notes: $w('#notesInput').value
}
};
// 2. Dispatch to FormWix High-Speed Endpoint
const res = await fetch('https://formwix.com/api/v1/submissions', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(payload)
});
if (res.ok) {
$w('#successState').expand();
$w('#formContainer').collapse();
}
});
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