REQUIREMENT: You must have Shopify Plus
Step #1: Insert code snippet
Go to your Address Validator dashboard → click Show Instructions on the upper right → follow the guide to insert the code snippet
Step #2: Move address prompts to checkout
Go to your Address Validator dashboard → Address Prompts tab→ toggle the first option under the Location of Address Prompts box
What does the code snippet do?
The code snippet allows the Address Validator app to run during checkout