Integrating Klaviyo Forms with Momentum (App Embed Method)

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Overview

Momentum integrates seamlessly with Klaviyo’s Shopify app embeds, allowing you to add popups, flyouts, and embedded signup forms across your store, without editing theme code.

Using the App Embed method ensures:

Faster setup

No custom code required

Safe theme updates

Better performance and compatibility with Momentum

This is the recommended approach for connecting Klaviyo forms to your Momentum store.

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Before you begin

Make sure you have:

A Shopify store using the Momentum theme

A Klaviyo account

The Klaviyo Shopify app installed

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Step 1: Install the Klaviyo app

From Shopify Admin, go to Apps → Shopify App Store

Search for Klaviyo: Email Marketing & SMS

Install and connect your Klaviyo account

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Step 2: Enable the Klaviyo App Embed in Momentum

Go to Online Store → Themes

Click Customize on Momentum

Open App embeds (puzzle icon in the left sidebar)

Toggle Klaviyo Forms / Klaviyo Onsite / Klaviyo App Embed → ON

Click Save

This allows Klaviyo to automatically load forms across your storefront.

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Step 3: Create your form in Klaviyo

Open Klaviyo Dashboard

Navigate to Signup Forms → Create form

Choose your format:

Popup

Flyout

Embedded

Design your form

Configure targeting (all pages, homepage only, exit intent, etc.)

Click Publish

Your form will now appear based on your targeting rules.

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Adding Embedded Forms Inside Pages or Sections (Optional)

If you'd like a form to appear directly inside a page (for example, in the footer or a landing page):

In Klaviyo

Create an Embedded form

Copy the embed code

In Momentum

Open the Theme Editor

Add a Custom Liquid block or section

Paste the embed code

Save

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Best Practices

Use App Embeds whenever possible (no theme file edits needed)

Manage targeting and display rules directly in Klaviyo

Avoid duplicating forms across multiple sections

Keep forms lightweight for optimal performance