Stop customers from using PO Box, APO, and FPO addresses at checkout. Reduce failed deliveries and shipping headaches with automatic address validation.
Simple, powerful checkout validation that works seamlessly with your Shopify store.
Automatically detect and block PO Box, Post Office Box, APO, FPO, and military addresses at checkout.
Display personalized messages when customers enter blocked addresses. Keep your brand voice consistent.
Install and activate with one click. No complex setup required. Works out of the box.
Works with addresses worldwide. Supports multiple address formats and languages.
Built with Shopify's official Checkout Extension API for maximum reliability and security.
Block specific cities, states, or postal codes. Perfect for regional shipping restrictions.
Start with a 7-day free trial. Cancel anytime.