VL: Checkout Address Validator

Develop by Valider

Built for Shopify

Free plan available

Address verification to prevent shipping and delivery failures

Customizable prompts

Automatic address validation

Prevent undeliverable addresses

Mobile and desktop compatible

Supports express checkouts

About VL: Checkout Address Validator

Launched Mar 08, 2023

Built by Valider

Address

4920 Quonset Drive, Sacramento, CA, 95820, US

Website Privacy policy

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Description

Reduce failed delivery with auto address validation, custom checkout rules & advanced shipping rules

Valider automatically validates addresses and checkout fields, suggests correct addresses to customers before they complete orders, and prevents incomplete or undeliverable addresses (e.g., P.O. boxes, missing street names, street numbers, military addresses, etc.). You can also configure checkout custom fields based on payment methods, advanced shipping rules, payment customization, delivery customization, cart totals, order quantity limits, and more, ensuring data accuracy and fraud prevention

Auto address validation rules: PO Box, USPS, Military address, Zip code mismatch
Instant feedback and corrected address suggestions to help customers fix issues
Checkout fields validation & notification based on shipping info, order limits
Advanced checkout customization: reorder/ rename/ hide payment & shipping method
Fully customize Checkout page prompt content & language to match your brand

Pros

Prevents mistyped addresses reducing failed deliveries and upset customers
Validates addresses on the Checkout and Thank You pages to fix potential shipping issues
Helps minimize losses in revenue due to refunds and re-shipments
Decreases the number of support tickets
Boosts customer satisfaction
Automatically prompts customers to fix invalid addresses before fulfillment
Fully customizable prompts and messaging to match store design and brand
Prevents undeliverable addresses such as PO Box, Zipcode, Diplomatic, Military, Residential
Works seamlessly on mobile and desktop devices
Easy setup with no coding required
Supports Checkout Extensibility and express checkouts (Apple & Google Pay, PayPal)
Effortless integration and fantastic support

Top Helpful Reviews

SassyStraps

Jun 30, 2025 on Shopify

Great address validation app! Valider has great features and support, and they helped me to solve and address concerns completely. Strongly recommend it.

Enchanted Threads

Jun 22, 2025 on Shopify

Valider helped to prevent numerous man-hours chasing orders that contain inaccurate addresses. Another thing to make this app great is the level of customer support. They answered my questions timely and went so far as to implement the requests we asked to make the app fit better to our business.

SnuggleSprout

Jun 22, 2025 on Shopify

This is a wonderful App, and I highly recommended it. Easy to use and configure. Joe, the support representative, is prompt with replies, experienced, and always goes the extra mile to answer all my queries. Much appreciated!!

Nest Nimble

Jun 17, 2025 on Shopify

peakers snow

Jun 16, 2025 on Shopify

The Peak Supplies

Jun 11, 2025 on Shopify

BIG thanks to the Valider team. Heard good feedback from our customers that our whole checkout experience is professional and secure with the address validator function.

TipTop

Jun 11, 2025 on Shopify

I am very happy with the Valider app. The UI is easy to navigate and most importantly, it works perfectly! Also great support from Joe, thanks again.

Family4paws

Feb 14, 2025 on Shopify

My friend recommended this app to me. So far, it's been great! The app's interface is nice and very easy to manage, and it comes with excellent support and complete instructions. Every Shopify eCommerce store should use it—it’s extremely helpful in preventing invalid addresses and saving both shop owners and customers from potential issues. I strongly recommend it!

Wander Jewellery

May 10, 2024 on Shopify

Effortless integration and fantastic support! No more lost orders that will save us a huge amount of time and money. Highly recommend Valider to all Shopify store owners.

Jamcat Candles

Aug 22, 2023 on Shopify

The Valider app has saved us a lot of time and money. It is well-worth at the minimal cost. The support team was fantastic.