For Shopify Plus Users: Unlock the full potential of Address Validator by integrating it directly into your checkout process. Shopify Plus allows modifications through checkout.liquid or checkout extensibility, enabling real-time address validation for a seamless customer experience.
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For Non-Plus Users: Don't worry, Address Validator still has you covered! Enjoy post-checkout validation on the Thank You page and order status page. Our app ensures accurate addresses and smooth deliveries, regardless of your Shopify plan.
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No Matter Your Plan: Address Validator enhances your store’s efficiency and customer satisfaction by ensuring accurate address entry and reducing shipping errors. Whether you’re on Shopify Plus or a standard plan, our app works to keep your operations running smoothly.

This is the recommended configuration, if possible

The address prompts will be rendered in modal windows on the first step of checkout when the customer clicks on the Continue to shipping method button after inputting the shipping address. It looks like this:

This option has minimal impact on your conversion rate as the average response time is ~0.4 secs and >99% of customers act on the prompts.

The address prompts will appear on the second step of checkout above the Shipping method section. It looks like this:

This option will have no impact on your conversion rate because customers have the option to proceed without acting on the prompts.
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The address prompts are embedded on the first step of checkout above the address form.
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The new Checkout Extensions UI only supports embedded prompts at the moment, it looks like this:
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Address Validator automatically updates the Shopify order when customers make corrections to the shipping address. These are the available options for merchants without Shopify Plus:

This is the default configuration

The address prompts will be rendered in modal windows on the Thank You page post-checkout. It looks like this:

The address prompts will appear on Thank You page post-checkout below the map. It looks like this:

Navigate to Address Validator > Home > Set Up Post-Checkout Validation > (Checkout extensibility).

Complete the app setup by following these steps:

4. Specify where you'd like our prompts to appear (Thank You page/ Order Status).

5. Click "Add App" located at the bottom left corner.

6. Choose the Address Validator extension.