Shipping carriers like UPS and FedEx cannot deliver to PO Boxes, leading to expensive return fees and frustrated customers. This app runs natively on Shopify Functions to instantly block undeliverable addresses at checkout. Our app uses advanced pattern detection to catch worldwide variations of PO Boxes, Lockers, and Military Addresses. Whether you are optimizing your standard fulfillment or enforcing strict shipping rules for regulated goods, our basic tier gets you started in seconds.

• Block PO Boxes, Lockers, and Military Addresses to prevent failed deliveries.
• Stop expensive UPS/FedEx carrier return fees instantly.
• Native Shopify Checkout integration—unhackable with zero theme code.
• Exempt specific countries or shipping methods from blocking rules.
• Perfect for general logistics or strictly regulated shipping requirements.

Reduce checkout friction with modern age verification. Powered by Veratad’s enterprise engine, modlet performs background demographic matching to support store conversion. Choose the flow your store requires: pre-checkout for strict compliance, post-checkout for conversion, or native checkout UI extensions for Shopify Plus. When background checks require fallback, automated photo ID scanning takes over automatically. Built for global brands needing flexible, native compliance.

• Veratad engine for automated background demographic matching.
• 3 flexible flows: pre-checkout, post-checkout, and native Shopify Plus UI.
• Automated photo ID scan fallback when background demographic checks miss.
• Native Shopify checkout interface built to protect store conversion rates.
• Global age compliance with customizable thresholds and order-hold logic.