Built-in form blocks?

Replace or supplement with MuxForms for cross-platform inbox.

Use a separate form id for wholesale inquiries.

Not required—code block is enough for embed.

MuxForms on Squarespace is a Code block (HTML) with the embed div and script on the contact page. Allow https://www.yourdomain.com (Squarespace custom domain) on the form.

Docs

Squarespace

Squarespace Code blocks run on published pages—add the MuxForms snippet on your Contact page.

Squarespace

Step	Detail
Block	Code
Plan	Business+ for code blocks
SSL	Squarespace provides HTTPS
Allowlist	Live domain without path

Code block content

<div data-form-id="FORM_UUID"></div>
<script src="https://www.muxforms.com/embed.js" defer></script>

Common questions

Built-in form blocks?: Replace or supplement with MuxForms for cross-platform inbox.
Commerce SKUs?: Use a separate form id for wholesale inquiries.
Double script load?: One code block per page only.
Developer mode?: Not required—code block is enough for embed.

Squarespace design, MuxForms ops.

Allowlist updates when you connect a custom domain.

Upgrade to Pro