Shopify Cart validation apps 2025

Checkmate ‑ checkout validator

$3.99-$5.99 / Month

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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Checkout Logic

$49-$79 / Month

(5/5)

7 Reviews

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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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Squadkin ‑ Cart OTP

$3.99 / Month

7.5

5 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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DS: Address Validation / Block

$4.99 / Month

9.1

14 Reviews

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Validate addresses in real-time to cut costs and reduce errors Show more

Validify - Address Validation is a powerful tool designed to enhance shipping accuracy by preventing invalid addresses from being processed at checkout. By detecting issues such as missing house numbers, PO Boxes, special characters, and incorrect zip codes, it ensures that only valid addresses are accepted. The app is equipped with advanced features like field length checks, keyword and regex matching, and VAT number verification, allowing for comprehensive address validation. Customizable rules allow users to set specific criteria based on order amount, specific products, and customer data. Validify supports express checkouts and offers multi-language prompts, making it adaptable for diverse customer bases. Additionally, the app will automatically hold orders with address issues for review, helping to reduce costs and improve customer satisfaction by minimizing delivery errors.

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Real-time validation

Express checkout support

Block invalid addresses

Keyword matching

Field length checks

Regex matching

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Address Validation iO

6.9

13 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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Simesy Checkout Validation Pro

(2.9/5)

2 Reviews

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Hide, rename, reorder payment & shipping methods with ease Show more

Simesy Hide Payment Method Pro is a versatile app designed to streamline and optimize your e-commerce checkout process. It allows you to conditionally hide, rename, and reorder payment and shipping options based on various criteria such as cart amount, weight, quantity, currency, items in the cart, customer tags, and customer spending history. By tailoring checkout options to match the specific needs of your customers, the app helps reduce irrelevant payment options, unwanted chargebacks, and unnecessary shipping fees. You can apply multiple conditions simultaneously, ensuring a highly customized experience. This level of customization ensures that your checkout process is efficient, intuitive, and aligned with your business goals. Whether you need to adjust payment methods for international customers or simplify shipping options for certain purchase thresholds, Simesy Hide Payment Method Pro gives you the control you need.

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Rename shipping methods

Hide payment methods

Multiple condition application

Reorder payment options

Conditional customizations

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King Checkout Validation

$4.99-$9.99 / Month

9.1

8 Reviews

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Validate checkout information to prevent unexpected checkouts

Custom validation rules

Vat validation

Address check

Field length validation

Keyword matching

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zip2address Address Validation

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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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Fetchify Data Validation

$2500 / Month

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Optimise checkout and conversion with address validation Show more

Fetchify Data Validation is an essential app for Shopify Plus stores, designed to streamline the checkout process and enhance the overall customer experience. By integrating industry-standard tools such as UK Postcode Lookup, Global Address Auto-Complete, and Email Address Validation, it helps customers breeze through checkout while ensuring accurate and reliable contact and shipping information. This not only reduces dwell time and increases conversion rates but also minimizes failed deliveries by eliminating incorrect addresses at the source. By leveraging gold standard data from leading global address providers, Fetchify enhances user experience, leading to more confirmed orders and happier customers. Tailored for Shopify Plus, this app offers an optimized checkout that ultimately drives more successful deliveries and customer satisfaction.

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Prevent failed deliveries

Increase conversion

Address validation

Checkout optimisation

Enhance data quality

Save costs

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STKY ‑ Sticky Add To Cart

$6.99-$29.99 / Month

9.2

1,776 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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Clearer.io Address Validator

7.8

235 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

6.7

8 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

6.9

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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Address Validator AddressHero

9.3

62 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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Loqate Address Validation

8.2

5 Reviews

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Improve data quality & delivery rates with address validation Show more

Loqate is a sophisticated address capture and verification software designed to streamline global data entry by consolidating multiple data sources into a single, accurate address record. Its real-time verification feature accelerates the process of entering addresses, drastically reducing errors and ensuring that your customer database remains current and precise. With its intuitive single-line type-ahead search functionality, Loqate leverages location biasing to swiftly return the nearest address suggestions within just three keystrokes based on the user's physical location. It supports sub-premise data such as apartments, suites, and floor numbers in 140 countries. Additionally, Loqate offers localized search capabilities, allowing users to find addresses in any language or character set. The software boasts extensive global reference data, covering 250 countries and territories, making it an indispensable tool for businesses looking to maintain high-quality address data worldwide.

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Real-time verification

Single-line search

Location biasing

Sub-premise data

Localized search

Global reference data

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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

Install App

Puco Validation: Order Limits

$3.9 / Month

9.1

15 Reviews

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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

Install App

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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ZeroBounce

$18 / Month

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"Ensure email accuracy and deliverability with award-winning ZeroBounce validation." Show more

ZeroBounce is a powerful email validation and verification platform designed to enhance email deliverability with an impressive 99% accuracy rate. The app’s real-time email validation feature ensures that every new email address is automatically monitored and verified, minimizing the risk of sending communications to invalid or risky addresses. ZeroBounce employs advanced A.I. Email Scoring and catch-all validation to effectively assess the value of catch-all email contacts, helping businesses maintain high-quality email lists. With scheduling capabilities for email validation and scoring, users can effortlessly manage and optimize their contact databases. Recognized as an award-winning tool, ZeroBounce assists over 250,000 customers in achieving email success by eliminating email typos, non-existent accounts, spam traps, and other risky addresses. This proactive approach to email list hygiene not only reduces bounce rates but also enhances sender reputation, leading to improved engagement and increased sales opportunities. By connecting your account and validating contacts—either manually or through automated processes—ZeroBounce supports effective email marketing strategies for businesses of all sizes.

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Email validation

Real-time monitoring

A.i. email scoring

Catch-all validation

Automatic contact filtering

Email list hygiene

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Shopify Cart validation apps

Related Categories

Price

Based on reviews

Showing 1 to 20 of 3 Apps

Checkmate ‑ checkout validator

Checkout Logic

Squadkin ‑ Cart OTP

DS: Address Validation / Block

Address Validation iO

Simesy Checkout Validation Pro

King Checkout Validation

zip2address Address Validation

Fetchify Data Validation

STKY ‑ Sticky Add To Cart

Clearer.io Address Validator

Checkout Guardian

B2B Handsfree

Validar Address Validation

Address Validator AddressHero

Loqate Address Validation

Melissa Address Validation

Puco Validation: Order Limits

XStak: Easy Checkout

ZeroBounce