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Address Guard ‑ Validator logo

Address Guard ‑ Validator

Develop by Shopify
  • Built for Shopify
  • Free plan available

    Validate shipping addresses to prevent failed deliveries

    Multi-language support
    Validate addresses
    Prevent failed deliveries
    Checkout address prompt
    Ai rules engine
    Address cleansing
    240+ countries
    Create checkout rules
    Detect special characters

    About Address Guard ‑ Validator

    Built by Shopify

    Address

    13555 SE 36th St, Suite 100, Bellevue, WA, 98006, US

    Website Support Portal Privacy policy Tutorial FAQ Document
    Zotasell: AI Upsell‑Cross Sell logo
    (34 Reviews)
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    Introduction Video

    Description

    Carrier-validated address validation > 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.

    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. more
    • Autocomplete for Plus + real-time address verification for all merchants
    • 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

    Pros

    • Verify, standardize, cleanse, and format addresses for over 240 countries
    • Supports multi-language functionality, accommodating 9 languages across customer touchpoints
    • AI rules engine prevents shipments to over 15 different problematic address types such as PO Boxes, non-contiguous US states, and military addresses
    • Allows creation of custom checkout rules to prevent special characters before order completion
    • Prompts customers to correct addresses when issues are detected, offering real-time suggestions
    • Creates rules to ensure undeliverable addresses (PO Boxes, missing house numbers, etc) are flagged
    • Automatically holds orders that identify as undeliverable before they are sent to a 3PL (third-party logistics)
    • Tags orders with address status and applicable rules automatically
    • Customization options for address prompts and email notifications to match brand aesthetics

    Cons

    • May require additional setup and configuration to fully customize and integrate with existing systems
    • Dependence on accurate initial data input; errors in entered address data might still require manual correction
    • Potential limitations in handling complex or non-standard international addresses despite broad country coverage
    • Relies heavily on the AI rules engine which may not be 100% accurate in all scenarios

    Top Helpful Reviews

    Moen

    Nov 17, 2025  on Shopify

    Hands down this app has been fantastic, integration in Flow, and outstanding customer service and respond to inquiries.

    Capy

    Nov 13, 2025  on Shopify

    Address Guard has saved us countless hours and prevented dozens of mis-deliveries. As a first-time ecommerce/shopify founder, we gradually learned the operational "gotchas" throughout 2024. One of the most painful was packing and paying for orders to ship to our customers, only to find them returned to us due to incorrect and/or invalid addresses, missing unit numbers, etc. Per usual, Shopify address validation feature set is severely lacking. This is where AG fills the gap at a reasonable price point. Things we love: -Post checkout address validation and nudges on Thank You page -Email follow ups to customers who submit orders with potentially invalid or incomplete addresses prompting a confirmation or update -(Optional) order fulfillment holds when invalid addresses are detected -(Optional) order cancellations after X time when invalid addresses are detected -Exhaustive list of address rules and options for validation -Incredibly detailed log of address validation, customer contacts and updates, etc. -(Optional) Email validation (occasionally we get customers providing us invalid emails, leaving us with no way to contact them for order or shipping issues) -Fast, attentive support. They've literally gone and implemented feature request bug fixes within days, if not a couple of weeks. Room for improvement: -Occasional false positives for invalid addresses. Upon manual review and searching on Google Maps, we've been able to manually validate provided addresses and release orders. HARD problem to solve for. I'd rather error towards false positives than false negatives. -Email reminders to customers to confirm or update their addresses seem a little hit or miss in terms of delivery/reception. Multiple customers have mentioned they never received them (spam?) and numerous times we've followed up manually with written email and get responses/updates.

    Tiny Welcome

    Oct 07, 2025  on Shopify

    Excellent support. Only using the app for a few days but it looks to be pretty comprehensive in terms of what I require. Helpful to know that support is there if I need it.

    Zelmin's Minty Mouth

    Sep 09, 2025  on Shopify

    The Address Guard Validator has been an absolute game-changer for our business, reducing a massive amount of returns due to incorrect addresses entered at checkout! Could not more strongly recommend this product, or the support team behind it. Insanely easy to use, beyond valuable.

    Brunae Body

    May 26, 2025  on Shopify

    Very helpful app! Been able to help minimise orders going out with incorrect addresses as well as help reduce amount of return to sender parcels returned. Ryan has also been fabulous, direct communication and able to outsource information from carriers themselves. Highly recommend.

    GORNATION

    May 09, 2025  on Shopify

    Ryan was incredibly helpful throughout our communication. He took the time to thoroughly explain the features and limitations of the service and was very responsive to all my questions. I really appreciated his efforts and excellent customer support.

    Naturecan DK

    Feb 25, 2025  on Shopify

    Address Guard is an exceptionally well-developed and thoughtfully designed app, clearly built with customer input and feedback in their ethos. It is evident that the team has considered every aspect to meet user needs as its highly customisable. For businesses with specific niches, the team is highly receptive to feedback and willing to implement changes to accommodate unique requirements. The customer service experience has been outstanding, offering direct communication with team members who are efficient and proactive in addressing concerns. They would come highly recommended from me.

    TRMNL

    Feb 13, 2025  on Shopify

    Does exactly what I need. We were having issues with non-latin characters at checkout, incorrectly auto-filled addresses, and then customers who didn't realize this until it was too late, their package was shipped. All better now.

    Under 5'10

    Dec 18, 2024  on Shopify

    We’ve been using this app to address a persistent issue with invalid customer inputs, and it has been a game-changer. As a business utilizing a 3PL, we often encounter orders flagged with “action required” due to invalid addresses. Resolving these manually was tedious and inefficient. This app has streamlined the entire process, saving us time and hassle. On top of that, their support team is outstanding—responsive, knowledgeable, and always willing to go the extra mile. Highly recommend for any business looking to optimize their order flow and reduce manual intervention!

    ORGANMASTER SHOES

    Dec 11, 2024  on Shopify

    This app is very intelligently designed and the customer service is fantastic. We got this app up and tested in minutes. I highly recommend this company.

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