Best Address validation Shopify apps in 2026 [Updated]
PickYourApp Review Team
6 min read
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Sep 29, 2025
The Best Shopify address validation apps help merchants prevent costly shipping errors and failed deliveries by automatically verifying customer addresses during checkout. These essential tools check for incorrect house numbers, missing details, and invalid PO boxes before orders are processed. By implementing address validation, store owners can reduce carrier fees, minimize delivery delays, and maintain accurate shipping data - ultimately leading to smoother fulfillment operations and improved customer satisfaction.
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#1. Reduce carrier fees and prevent failed deliveries with smart autocomplete + powerful validation
Prevent costly delivery failures and carrier correction fees with comprehensive address validation and smart autocomplete. While Shopify's Google autocomplete fills addresses, it doesn't verify actual deliverability. Address Guard validates shipping details, blocks undeliverable addresses like PO boxes, and catches outdated information post-checkout. Plus merchants get smart autocomplete that reduces typing by 70%. The system also includes email and phone verification to ensure accurate customer data. Set up in under 5 minutes to start saving on UPS, FedEx, and DHL fees while reducing failed deliveries and reshipment costs.Install from Shopify App Store
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#2. Use shipping address validation to save money by preventing failed & delayed deliveries
Address validation is crucial for preventing costly shipping errors and delivery failures. While Shopify's Google auto-complete helps with address entry, it doesn't guarantee accurate deliverability. Small mistakes like missing apartment numbers or street name typos can result in up to $25 in carrier fees per failed delivery. This address validator app automatically checks shipping addresses during checkout, flags potential issues, and provides smart suggestions to ensure accuracy. It prevents common problems with undeliverable addresses including PO boxes, incorrect ZIP codes, and military addresses. The app works smoothly with express checkout options like ApplePay and PayPal, requires no coding to set up, and lets you customize validation messages to match your store's branding. Save money on reshipping costs and keep customers happy by catching address errors before they become delivery problems.Install from Shopify App Store
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#3. Prevent checkout errors with address validation, checkout customization rule, and advanced shipping.
Ensure accurate order delivery with real-time address validation during checkout. This app validates both shipping and billing addresses instantly, helping prevent failed deliveries and order issues. Set custom checkout rules based on order value and shipping details, while controlling PO Box, USPS, and military address validation. Easily customize your checkout experience by reordering, renaming, or hiding fields to match your store's needs. The address validator integrates smoothly with Shopify checkout, letting you modify prompts and language to maintain your brand voice. Reduce checkout errors and improve order processing with reliable address verification and tailored checkout rules.Install from Shopify App Store
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#4. An accurate way to capture and verify address data. Improve data quality & reduce delivery costs.
Loqate makes address validation simple and accurate worldwide. The software combines multiple data sources to create precise address records in real-time. With just three keystrokes, customers can find their exact location using the smart single-line search that automatically detects their physical location. The system supports detailed sub-premise data across 140 countries, including apartments and suite numbers. You can search addresses in any language, with coverage spanning 250 countries and territories. This comprehensive address verification tool helps maintain clean customer data while reducing shipping errors and delivery costs.Install from Shopify App Store
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#5. Prevent failed deliveries and shipping errors with Address Validation iO
Address Validation iO helps prevent shipping errors and failed deliveries by validating customer addresses in real-time. During checkout, the app uses smart autocomplete to catch common issues like missing house numbers, invalid ZIP codes, and PO box restrictions. Customers receive immediate notifications to fix address problems, reducing returns and customer support requests. The address validation system works across all Shopify themes and plans, with an easy installation process that requires no coding skills. Store owners can customize address validation prompts to match their brand style and preferred language. The app is fully GDPR and CCPA compliant, making it a reliable solution for accurate order fulfillment and improved delivery success rates.Install from Shopify App Store
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#6. 配送先の間違いを自動でチェック。お客様に再確認いただくことで、住所不正を削減し配送業務をスムーズに。
配送先住所の自動バリデーションで、正確な住所データを確保します。日本郵便の公式データベースに基づき、住所の誤りや表記ゆれを検出し、お客様自身で修正できる機能を提供。チェックアウトやサンキューページで住所チェックを実施し、「ケ」と「ヶ」の違いや市区町村の表記漏れなども自動で補正します。電話番号の国際表記（+81）を国内表記（0）に変換する機能も搭載。配送システムのエラーを未然に防ぎ、住所確認作業の負担を軽減します。Checkout Extensibility対応ストア向けに、スムーズな配送業務をサポートします。Install from Shopify App Store