AddressGuard Address Validator
Carrier-validated address validation to reduce failures & fees
Developed by Address Guard
App Overview
Shipping errors from incorrect addresses can cost businesses time and money. Address Guard – Validator is a Shopify app that instantly verifies customer addresses, preventing issues before orders are processed. By suggesting corrections and blocking problematic entries like PO Boxes or missing details, it reduces reshipping costs and improves delivery success. Additionally, it checks emails and phone numbers for better data accuracy, making your checkout process more efficient.
Pros
- Cost-saving: Prevents incorrect addresses, minimizing reshipping fees and carrier surcharges.
- Improved delivery efficiency: Ensures accurate deliveries by validating and standardizing addresses.
- Enhanced customer experience: Reduces customer frustration by eliminating shipping delays and lost packages.
- Excellent customer support: Provides timely and knowledgeable assistance to resolve any address-related issues.
Screenshots

Global carrier-validated address validator > prevent failed deliveries & cut carrier correction fees
Add real-time, carrier-validated address verification to checkout - or replace Shopify’s Google Autocomplete with our Autocomplete. Our address validator validates against global and local carriers and uses AI Autocorrection to fix small errors (Rd→Road), prevent failed deliveries, and cut correction fees (many carriers charge $25+). Create rules to block PO Boxes or require apartment numbers. No code, install in 5 minutes.
Key Features
- Global address verification (240+ countries) + multi-language (17+ languages)
- Block undeliverable addresses like PO Boxes, missing apt #s, and special chars
- Hold undeliverable orders pre-3PL; add order tags to fit your workflows
- Built-in email & phone verification to improve data quality and delivery
- Works with express checkouts: Shop Pay, Apple Pay, Google Pay, PayPal
AddressGuard Address Validator FAQs
Yes! Try AddressGuard Address Validator free plan. For more details about AddressGuard Address Validator pricing, check here.

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