---
title: Enable PostGrid Address Verification in store checkout | PostGrid
description: How to add the PostGrid app block to your Shopify checkout configuration to enable address verification and autocomplete during checkout.
---

To make **PostGrid Address Verification** visible during your Shopify checkout, you must add the PostGrid app block to your store’s checkout configuration.

Follow the steps below to enable it.

In your Shopify Admin, navigate to Settings page, Click on **Checkout**. Under **Configurations** click **Customize** .

![Shopify Admin Settings page with Checkout selected, showing the Configurations section and the Customize button](/_astro/01-image.C3G2YoXM_Z1oP1ni.webp)

From the left sidebar, click **Settings**, and scroll down to the **Address Autocompletion** section, and select **PostGrid Address Verification.**

![Shopify checkout customization sidebar showing the Settings panel with Address Autocompletion section and PostGrid Address Verification selected](/_astro/02-image.C2Liq84r_Zpjnw7.webp)

Now, navigate to **Apps** from the same sidebar. You will see **postGrid-address-verfication** listed with a checkmark. Click on the **+** button next to the app, and select **Checkout**.

![Shopify checkout Apps sidebar showing postgrid-address-verification listed with a + button to add it to the Checkout section](/_astro/03-image.rm-LKvhL_Z1JwtBf.webp)

Once the app is successfully added, you will see the checkmark is replaced with number 2. This confirms the app is active and your store checkout is ready to use **PostGrid Address Verification**.

![Shopify checkout Apps sidebar showing postgrid-address-verification now displaying the number 2, confirming the app is active in checkout](/_astro/04-image.BM6glwJV_Z3ubp7.webp)