Note: This app is only compatible with Shopify Plus stores using Checkout Extensibility. If your store uses checkout.liquid, you must upgrade to the new checkout before proceeding.
🔔 Please review all ZIP Lock requirements and considerations before installation.
From the Shopify admin page, navigate to Settings > Checkout.
Click the Customize button next to your live checkout profile.
Click Add app block at the bottom of the Delivery section in the sidebar.
Click on the ZIP Lock app block.
Under Checkout behavior check "Allow app to block checkout" and "Include app in Shop pay".
Click Save in the upper right hand corner of the page.