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Supercharge your checkout with upsells, custom fields, discounts, cart validations & more
Unlock the full potential of your Shopify checkout with Extension Kit. Generate revenue with product upsells and subscription upgrades, and collect additional information from customer's with custom fields. Easily customize checkout pages using drag-and-drop blocks for banners, images, and informational text. Customizable for all of your customer's with Shopify Markets. Advanced discounts powered by Shopify Functions. Checkout customizations built for Shopify Plus plans only.
Key Features
- Checkout product upsells, subscription upgrades, banners, custom fields & more
- Create tiered product or order discount promotions
- Schedule blocks and discounts for timed promotions
- Limit quantity of items in the cart
- Compatible w/ Shopify B2B & Shopify Markets for translations and multi-currency
ExtensionKit ‑ Custom Checkout FAQs
Yes! Try ExtensionKit ‑ Custom Checkout free plan. For more details about ExtensionKit ‑ Custom Checkout pricing, check here.

Get in Touch
with us
Whether you need more information on how LetsMetrix can help enhance your Shopify experience, or require technical support, don't hesitate to contact us. We're available 24/7 via email, phone, or live chat to ensure you have all the assistance you need.
