Shopify Cart validation apps 2025

Checkout Logic

$19-$79 / Month

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Build rules to customize and extend your checkout experience

Upsell options

Custom fields

Dynamic content

Payment icons

Custom rules

Payment actions

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Checkmate ‑ checkout validator

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Create validations for cart and checkout ensuring transparency Show more

Checkmate ‑ Checkout Validator is an intuitive Shopify app designed to enhance store management by allowing users to set cart and checkout conditions effortlessly, without any coding knowledge. With Checkmate Pro, store owners can implement various validations, such as setting maximum discount values, limiting cart quantities, and creating custom error messages to improve customer engagement and transaction transparency. The app offers over 20 customizable conditions, protecting stores from fraudulent orders while ensuring seamless customer experience. Users can create multiple rules simultaneously, opening up endless possibilities for store customization and control. This plug-and-play application ensures that all adjustments are applied instantly, making it an essential tool for optimizing cart and checkout processes. Ideal for users seeking a no-code solution, Checkmate ‑ Checkout Validator simplifies e-commerce management, providing a user-friendly interface for enhanced store operations.

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No coding needed

Fraud protection

Set cart conditions

Limit quantities

Custom error messages

Multiple rule support

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Squadkin ‑ Cart OTP

$3.99 / Month

(2.1/5)

4 Reviews

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Make Safe & Secure Checkout Via OTP Verification when checkout Show more

Squadkin - Cart OTP is an app designed to enhance the security of the checkout process by validating the customer’s cart through an OTP (One Time Password) method. This innovative feature sends a unique OTP to the customer's registered or provided mobile number via Twilio SMS Gateway Integration, ensuring that only the rightful owner of the mobile number can proceed to checkout. With unlimited cart verification and country selection options, Squadkin - Cart OTP offers a versatile solution for businesses aiming to reduce fraudulent activities during transactions. The app is dedicated to protecting both merchants and shoppers by adding an additional layer of verification, thus minimizing potential fraud. Users of the app are supported around the clock with 24/7 free customer service, ensuring seamless integration and operational assistance. Ideal for businesses looking to bolster their transaction security, this app provides peace of mind along with efficient service.

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Fraud protection

Unlimited cart verification

Country selection

Twilio sms integration

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Address Validation iO

6.1

12 Reviews

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The address validation to keep your deliveries right! Show more

Address Validation iO is a powerful tool designed to ensure the accuracy of address data, preventing order issues that arise from incorrect addresses. By automatically validating and suggesting corrections for erroneous entries, the app empowers customers to rectify errors in real time, particularly at checkout. This not only enhances customer satisfaction but also significantly reduces the costs associated with returns and redeliveries. Featuring real-time address validation, the app prompts customers with corrective suggestions on the "Thank You" page, enhancing the post-purchase experience. Address Validation iO offers insightful analytics through a comprehensive BI dashboard, helping merchants gain valuable insights into address accuracy trends. The app is fully customizable and supports multiple languages, ensuring a seamless integration with diverse storefronts. Importantly, it adheres to GDPR and CCPA regulations, prioritizing user privacy and data security.

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Multilingual support

Gdpr compliant

Ccpa compliant

Realtime address validation

Address correction prompts

Address suggestions

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zip2address Address Validation

$50 / Month

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Autocomplete Address Validation for Checkout Extensibility Show more

The "zip2address Address Validation" app is designed to enhance the checkout experience by minimizing cart abandonment and reducing delivery failures due to incorrectly entered shipping addresses. By providing an autocomplete feature, it suggests accurate addresses as customers type, thus improving conversion rates and cutting down on costly delivery errors. Tailored for Plus stores utilizing Checkout Extensibility, this app seamlessly integrates without requiring any coding on the Shipping Address page. It is important to note that it is incompatible with Standard stores or Plus stores using checkout.liquid. The app is particularly advantageous for mobile users, offering a unique and user-friendly interface that simplifies the checkout process on both mobile and desktop platforms. Currently, it utilizes high-quality Royal Mail UK address data, with plans to expand its geographical coverage in the future.

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Increase conversion

Checkout extensibility

Autocomplete address validation

Reduce failed deliveries

Mobile-friendly ui

Royal mail data

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Puco Cart Checkout Validation

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Validate and block checkout based on 30+ conditions Show more

Puco Cart Checkout Validation is an innovative app designed to give merchants full control over their checkout processes by creating custom validation rules. The app is perfect for online stores dealing with challenges like fraud, incorrect addresses, and unwanted orders, as it blocks bots, restricts PO boxes, and enforces order limits, ensuring only valid and profitable orders proceed. With an easy setup requiring no coding, merchants can effortlessly enhance security, streamline operations, and boost customer satisfaction. The app offers the flexibility to tailor validation for orders based on specific tags, quantities, and addresses, utilizing over 30 criteria. It employs Shopify Functions to conduct instant checks on product, cart, and checkout pages, and allows for the display of custom error messages in various positions on the site. The user-friendly interface enables merchants to efficiently create and manage validation rules directly within Shopify, minimizing operational costs and enhancing customer trust.

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No coding required

Custom error messages

Custom validation rules

Instant product checks

Block suspicious transactions

Address restriction

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Address Validator Plus

7.3

215 Reviews

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Address validation to prevent shipping and delivery failures Show more

Address Validator Plus is a powerful app designed to enhance customer satisfaction and logistical efficiency by ensuring accurate shipping addresses. Often, customers accidentally provide incorrect address details, such as missing apartment numbers or invalid house numbers, leading to costly delivery failures and unhappiness. This app automatically checks addresses against established rules, rectifying misinformation before customers leave the store side, particularly on the Thank You Page, preventing potential shipping issues. The app reduces the likelihood of revenue loss from refunds, reshipping costs, and decreases the volume of customer service inquiries. Address Validator Plus effectively handles undeliverable address scenarios, including PO boxes, military addresses, and unusual zip codes, ensuring all deliveries are possible. Users can tailor the address prompts and app messaging to align with their store's design and brand, offering a seamless integration with express checkouts like ApplePay, GooglePay, and PayPal Express. With easy setup and no coding required, the app works flawlessly on both mobile and desktop devices, providing a smooth and reliable experience for online retailers.

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Easy setup

Customizable prompts

Express checkout support

Validates addresses

Fixes shipping issues

Automatic address prompts

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Checkout Guardian

$6.99-$14.99 / Month

7.8

1 Reviews

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Enforce Order Validation Rules to Control Store Purchases. Show more

Checkout Guardian is a powerful app designed to give merchants comprehensive control over their store's checkout process. It allows you to implement advanced rules for purchases, such as restrictions based on location, order quantity, or customer history, thus aligning each transaction with your specific business strategy. The app seamlessly integrates with Shopify, offering a native and lightweight design to enhance your store's performance. It features an easy-to-use interface that makes rule creation effortless, even for those without coding skills, and works immediately upon installation. With unlimited combinations for cart and checkout validation rules, Checkout Guardian empowers your store to offer a seamless, secure, and sophisticated checkout experience. Transform how you handle transactions and ensure every sale matches your business objectives with Checkout Guardian.

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Seamless integration

No coding needed

Easy rule creation

Quantity limits

Order validation

Location restrictions

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B2B Handsfree

$19-$29 / Month

6.7

14 Reviews

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B2B & Wholesale custom registration and EU VAT ID validation Show more

B2B Handsfree is a versatile app designed to enhance the registration process for business-to-business transactions. The app offers a customizable registration form that includes real-time EU VAT ID validation, ensuring accuracy and compliance for international transactions. Customers registering through the app can be automatically tagged and set as tax-exempt, streamlining the creation of customer groups and enabling special pricing options with additional applications. Integration with popular invoicing apps such as Sufio, Billbee, and Order Printer Templates allows businesses to seamlessly include customer VAT IDs in their invoices. This integration not only simplifies the invoicing process but also strengthens financial transparency and eases tax reporting. Ideal for businesses looking to optimize their B2B sales channels, B2B Handsfree is a valuable tool for managing international clientele efficiently.

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Customizable b2b registration

Real-time vat id validation

Tax exemption tagging

Invoice app integration

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Validar Address Validation

(3/5)

1 Reviews

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Address validation made simple, stop failed deliveries now Show more

Validar Address Validation is a powerful tool designed to enhance your shipping process by ensuring addresses are accurate before customers leave your store. This app meticulously checks for missing details such as house or apartment numbers, misspelled names, and incorrect abbreviations, all from the convenience of your Thank You page. You can customize validation rules to prevent sending packages to undesirable destinations like PO Boxes or DHL Shipstations. By using Validar, you can substantially reduce the risk of costly reshipping and the frustration of delivery delays and returns. The app taps into a worldwide database to confirm address correctness, saving both time and money. With Validar, enhance customer satisfaction and streamline your logistics with ease and efficiency.

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Real-time validation

Address verification

Avoid po boxes

Rule-based checks

Worldwide database

Error-free shipping

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AddressHero

$9.9-$189.9 / Month

7.1

12 Reviews

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Avoid incorrect addresses through automatic validation. Show more

AddressHero is a powerful tool designed to help merchants streamline their delivery processes and reduce costs by automatically validating delivery addresses. Leveraging the accuracy and reliability of Google Maps, this app ensures that packing stations, house numbers, and entire delivery addresses are correctly identified without any manual input. This not only increases customer satisfaction by minimizing delivery errors but also lowers operational expenses. AddressHero is quick to install, requiring just a few minutes, and offers seamless customization to fit your brand identity. It supports address validation at checkout for Shopify Plus, and is compatible with Express Checkouts like Apple Pay, Google Pay, and PayPal Express. With its lightning-fast loading times and optimized mobile user experience, AddressHero offers a hassle-free setup that requires no programming skills from the user.

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Customizable branding

Google maps integration

Mobile optimization

Instant setup

No programming required

Automatic validation

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Melissa Address Validation

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Address Validation helps improves deliverability. Show more

Melissa Address Validation is a robust solution designed to rectify common errors in shipping addresses, such as spelling mistakes, incorrect house numbers, and formatting issues that do not adhere to postal regulations. These errors often lead to late or undeliverable shipments, incurring significant costs for companies operating both domestically and internationally. By verifying and correcting addresses in over 240 countries, Melissa ensures that shipments reach their intended destinations promptly. The app employs advanced lexicon and parsing techniques, complying with postal regulations to standardize addresses across the globe. It boasts CASS (USPS) and SERP (Canada Post) certification, automatically suggesting corrections by adding missing elements like postal codes. Additionally, Melissa can transliterate addresses between native languages and Latin, and it can determine residential addresses to optimize shipping rates. This makes it an essential tool for businesses aiming to enhance their shipping efficiency and cost-effectiveness.

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Verify addresses globally

Correct address errors

Standardized formatting

Advanced parsing

Suggest correct addresses

Add missing components

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Fetchify Data Validation

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Optimise checkout and conversion with address validation

Prevent failed deliveries

Increase conversion

Address validation

Checkout optimisation

Enhance data quality

Save costs

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Madgic Checkout Validation

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Super simple app to set up checkout validation rules Show more

Madgic Checkout Validation is a versatile app tailored to enhance control and customization during the checkout process in e-commerce platforms. It features a robust custom rules builder that enables merchants to set specific checkout conditions, such as limiting the number of items a customer can purchase or requiring certain customer and product combinations. Additionally, it offers the capability to restrict product availability exclusively to logged-in users and enforce checks based on product details, variants, collections, and carts. The app allows for the implementation of minimum and maximum quantity rules and enables targeting across multiple product levels including cart, collection, product, and variant. Merchants can also craft custom error messages, ensuring clear communication with customers regarding order limits and minimum order quantities. Madgic Checkout Validation empowers businesses to tailor their checkout experience to better meet operational needs and enhance customer interaction.

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Custom rules builder

Custom error messaging

Checkout validation rules

Min/max quantities

Target product levels

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XStak: Easy Checkout

$29.99 / Month

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Streamline checkout with customization and validation Show more

XStak: Easy Checkout is a powerful tool designed to enhance the online shopping experience by customizing and optimizing the checkout process for customers. This app allows merchants to create a streamlined checkout flow, making it convenient and efficient for buyers to complete their purchases. With features like city dropdowns, it simplifies address entry, ensuring accurate shipment information and reducing delivery errors. The app also includes phone number validation to ensure contact details are correct, further enhancing communication and delivery accuracy. By automatically filling the default city field, XStak: Easy Checkout decreases the chances of user error, leading to a smoother transaction experience. Overall, it is an essential tool for merchants looking to provide a seamless purchasing experience and increase customer satisfaction.

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Error reduction

Phone validation

City dropdown customization

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iCart Cart Drawer Cart Upsell

$12.99-$29.99 / Month

8.2

576 Reviews

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Upsell & Grow AOV with Cart Drawer, Cart Popup & Cart Page Show more

iCart Cart Drawer Cart Upsell is an innovative tool designed to enhance the online shopping experience by transforming the cart interface. With its customizable sticky cart drawer, cart popup, and cart page, this app seamlessly integrates with any theme, ensuring your brand's identity is consistently represented. iCart empowers you to increase average order value through dynamic upselling features such as product recommendations, bundles, and discounts. It also provides interactive elements like progress bars and free gifts to encourage higher purchase volumes. Users can improve conversion rates by incorporating in-cart upsell strategies, BOGO offers, and volume discounts. Additionally, the app helps minimize cart abandonment by offering a sticky cart button and creating urgency with countdown timers. Overall, iCart is an all-in-one solution for optimizing the checkout process and boosting sales.

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Product recommendations

In cart upsell

Sticky cart drawer

Progress bar

Product bundle

Order delivery date picker

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OTP on cart

$5 / Month

(1.6/5)

11 Reviews

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Cart Validation through OTP (One Time Password) Show more

The OTP on Cart app enhances the security of online shopping by validating carts with a One-Time Password (OTP) before checkout, ensuring that the purchaser is the account holder. Integrated with Twilio and MSG91 SMS gateways, the app reliably sends OTPs to customers' registered mobile numbers. Retailers just need to enter their Twilio or MSG91 account credentials and token keys in the app's configuration section to activate the service. Customers enjoy a secure and streamlined checkout experience, reducing the likelihood of fraudulent transactions. This app is ideal for online businesses seeking to add an extra layer of protection to their purchase process. The setup process is straightforward, but users need to have an existing Twilio or MSG91 account to use these features. Overall, the OTP on Cart app provides both shop owners and customers with peace of mind during online transactions.

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Cart validation otp

Twilio msg91 integration

Checkout authentication

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Sticky Add To Cart Booster Pro

$8.99-$39.99 / Month

8.7

1,700 Reviews

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Sticky Add to Cart, Buy Button, Cart Slider & Cart Upsell Show more

Sticky Add To Cart Booster Pro is a powerful Shopify app designed to enhance cart conversion rates and reduce cart abandonment on your store. With features like the always-visible Sticky Add To Cart Bar, customers can easily add products to their cart without having to navigate away from their current page. The Quick Buy Button streamlines the purchasing process by allowing swift purchases directly on product pages, while the Sticky Checkout Bar offers a convenient cart overview to improve user experience. The app also includes an Ajax Slider Cart Drawer that facilitates upselling and cross-selling, helping to increase the average order value. Additionally, the Quick View feature allows customers to seamlessly view and modify their cart with just a click. Overall, Sticky Add To Cart Booster Pro combines multiple features to optimize the shopping journey and maximize sales for Shopify store owners.

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Sticky add to cart

Quick view

Quick buy button

Ajax cart slider

Sticky checkout bar

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Cart Upsell—Slide Cart Drawer

7.1

64 Reviews

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Cart Upsell—Slide Cart Drawer & Cross Sell Show more

Cart Upsell—Slide Cart Drawer is a powerful tool designed to elevate sales and enhance the shopping experience on your online store. This app offers a seamless cart upsell solution by integrating directly into your store's mini cart and cart page, allowing customers to add notes, apply discount codes, and estimate shipping rates without leaving the page. With features like a free shipping progressive bar and countdown timer, it effectively reduces cart abandonment and encourages additional purchases. The app also provides dynamic upselling and cross-selling modules through product recommendations based on what’s in the customer's cart. Customize the appearance with a drag-and-drop builder that fits seamlessly with your store theme, avoiding disruptive pop-ups. Additionally, you can increase profit margins through bundled product discounts conveniently displayed in the cart drawer.

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Product recommendations

Free shipping bar

Countdown timer

Bundle discounts

Drag and drop

Slide cart upsell

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Cartix Cart Discount + Upsell

$7.99 / Month

7.6

65 Reviews

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Slide cart with in cart upsell, cart discount code & more! Show more

Cartix Cart Discount + Upsell is an innovative app designed to elevate your e-commerce experience by offering a fully customizable, conversion-optimized slide cart. It is packed with features such as cart discounts, upsell rules, and diverse discount options, all aimed at boosting your Average Order Value (AOV) and conversion rates. With Cartix, transform your store into a dynamic upsell hub by incorporating services like priority processing, shipping insurance, and multi-currency options. The app leverages progress bars within the upsell cart drawer to entice customers and maximize revenue. It also allows you to target specific upsell rules with products and auto-recommendations, enhancing AOV through personalized strategies. Utilize its versatile cart locations for upsells and apply discount codes directly in the cart, thereby streamlining the checkout process and driving conversions. Furthermore, Cartix provides complete CSS customization, enabling you to align the cart design perfectly with your store's aesthetic.

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Cart discounts

Multi-currency support

Css customization

Cart upsell

Slide cart

Progress bars

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Shopify Cart validation apps

Related Categories

Price

Based on reviews

Showing 1 to 20 of 3 Apps

Checkout Logic

Checkmate ‑ checkout validator

Squadkin ‑ Cart OTP

Address Validation iO

zip2address Address Validation

Puco Cart Checkout Validation

Address Validator Plus

Checkout Guardian

B2B Handsfree

Validar Address Validation

AddressHero

Melissa Address Validation

Fetchify Data Validation

Madgic Checkout Validation

XStak: Easy Checkout

iCart Cart Drawer Cart Upsell

OTP on cart

Sticky Add To Cart Booster Pro

Cart Upsell—Slide Cart Drawer

Cartix Cart Discount + Upsell