Shopify Real-time validation apps 2025

Cart Lock:Block Checkout Rules

$6.99 / Month

7.9

42 Reviews

Validate orders by amount, discount, delivery, customers etc Show more

Cart Lock: Checkout Validation is a powerful app designed to safeguard your online store from unwanted or fraudulent orders. By utilizing customizable conditions, store owners can block purchases based on factors such as country, product quantity, and customer profiles, making it an effective tool against bots and invalid orders. This app leverages real-time validation via Shopify Functions, ensuring that only legitimate transactions are processed. Clear warnings and informative messages are displayed to customers, maintaining transparency and a smooth shopping experience. Installation and integration are simplified with an easy-to-use form, offering a hassle-free setup for any Shopify store, including those on Shopify Plus. Additionally, Cart Lock provides a wide range of blocking options based on shipping details, cart currency, discounts, and more, giving store owners complete control over their checkout process.

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Real-time validation

Easy integration

Transparency warnings

Order validation rules

Block unwanted purchases

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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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SortNHide

$2-$10 / Month

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Customize payment options at checkout with rules for location and amount. Show more

SortNHide is a powerful app designed to enhance your store's checkout experience by providing advanced customization options for payment and delivery methods. With SortNHide, you can easily alter payment and delivery choices to suit your business needs, apply shipping discounts, and set location-based restrictions to streamline the checkout process. The app allows you to block checkout under specific conditions and validate carts in real time, ensuring a smooth transaction process. You can hide, rename, and sort payment methods based on billing addresses, giving you the flexibility to tailor checkout options for each customer. By offering rule-based checkout validation, SortNHide helps boost your store’s performance, ensuring a smart, secure, and fast checkout experience. Additionally, it empowers you to create targeted discounts to drive purchases and increase overall sales. Whether you're aiming to hide Cash on Delivery or manage payment methods more effectively, SortNHide provides the tools to keep your checkout process clean and efficient.

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Rename payment methods

Apply shipping discounts

Customize payment options

Enforce location rules

Block checkout conditions

Real-time cart validation

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Checkout Functions

$19-$99 / Month

1 Reviews

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Manage checkout seamlessly with intelligent discounts and delivery options. Show more

Checkout Functions is a user-friendly, no-code app designed to give you complete control over your online store's checkout process. With its intuitive interface, you can effortlessly create intelligent discounts based on factors like products, customer behavior, or purchase history, while also blocking unwanted checkout combinations to streamline the buying experience. Customize your delivery options with ease by renaming, reordering, or hiding methods depending on conditions such as cart value, address, or product type. The app allows you to prevent PO Box shipments, set preferred delivery options, and validate carts in real time, ensuring a smooth and efficient checkout process. Experience the flexibility of applying tailored checkout rules to suit your store's unique needs, and benefit from high-quality, reliable live support for all integrations and requirements. Unlock the full potential of your store with advanced features to create personalized offers and optimize every step of your customer's journey.

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Flexible checkout rules

Intelligent discounts

Smart delivery management

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Novat ‑ Tax Exempt

$4.99-$7.99 / Month

(1.7/5)

2 Reviews

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Allow customers to claim tax exemption. Show more

Novat - Tax Exempt is a comprehensive app designed to streamline the VAT removal process during checkout for eligible customers. It enables automatic tax exemption by verifying VAT status in real-time or allows customers to submit a customizable form to request exemption. Store administrators have the flexibility to review and either approve or deny these tax exemption requests. Additionally, the app provides the functionality to assign tax exemptions directly to specific customers identified by tags, eliminating the need for these customers to submit a form. Both administrators and customers receive email notifications to ensure efficient handling of the tax exemption process. Overall, Novat - Tax Exempt simplifies VAT management, ensuring compliance and ease for both businesses and customers.

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Email notifications

Customer tagging

Real-time vat validation

Customizable tax form

Admin review capability

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DS: Address Validation / Block

$4.99-$49.99 / Month

9.1

17 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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Blockit: Checkout Validation

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"Ensure valid checkouts with easy address and email validation." Show more

Blockit: Checkout Validation is a powerful app designed to enhance the checkout process by preventing issues related to incomplete addresses and incorrect customer details. By allowing you to set up custom validation rules, the app ensures that entries such as addresses and emails are verified against several conditions before an order is placed, thereby reducing the risk of failed deliveries and customer frustration. The best part is that you don't need any coding knowledge to implement these rules; simply configure them through the app, and it will automatically enforce them at checkout. Tailor your validation criteria to fit your store’s unique needs, ensuring every order is complete and accurate. Additionally, Blockit seamlessly integrates with your native checkout, providing a hassle-free experience for both you and your customers. Enjoy peace of mind knowing that incomplete and invalid orders are a thing of the past.

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Native checkout integration

Email validation

No-code setup

Address validation

Custom checkout rules

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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 Show more

King Checkout Validation is a robust solution designed to enhance checkout accuracy by eliminating common input errors. The app excels in detecting missing house or apartment numbers, validating VAT and tax ID formats, and filtering out non-Latin characters, making it essential for maintaining data integrity. Users can tailor address validation rules through customizable settings that adapt checks based on cart value, product types, and shipping zones. By automating error detection and blocking, King Checkout Validation significantly reduces return rates and prevents failed deliveries. Its user-friendly dashboard allows businesses to manage and streamline compliance effortlessly. The app's real-time validation checks ensure that orders are processed smoothly, minimizing operational disruptions. With its modular approach, companies can customize it to fit their specific needs, improving the overall customer experience.

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Custom validation rules

Vat validation

Address check

Field length validation

Keyword matching

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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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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 Address 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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Address Validation iO

7.5

10 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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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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SD ‑ Add VAT to checkout

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Enhance B2B checkouts with real-time EU VAT number validation. Show more

SD ‑ Add VAT to Checkout is a powerful tool designed to enhance the B2B checkout process for European merchants. This app leverages Shopify's 2025-07 API and the latest checkout extensibility framework to provide real-time validation of EU VAT numbers across all 27 member states. Customers benefit from instant VAT number verification as they type, ensuring a smooth and professional experience. The app supports complete coverage of all EU countries, including Austria, Belgium, and more, with a clean integration into Shopify's native user interface that seamlessly matches your store's aesthetic. Additionally, validated VAT information is automatically saved to each order, simplifying data management for merchants. In cases where the VAT API might be unavailable, the app employs smart format validation as a fallback, ensuring reliability and accuracy in VAT number checks.

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Checkout integration

Real-time validation

Automatic order data

27 eu countries

Fallback validation

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Clearer.io Address Validator

7.9

188 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

6.9

7 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

6.3

8 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

$9.99 / Month

8.7

212 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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Shopify Real-time validation apps

Related Categories

Price

Based on reviews

Showing 1 to 20 of 5 Apps

Cart Lock:Block Checkout Rules

XStak: Easy Checkout

SortNHide

Checkout Functions

Novat ‑ Tax Exempt

DS: Address Validation / Block

Blockit: Checkout Validation

King Checkout Validation

Simesy Checkout Validation Pro

zip2address Address Validation

Fetchify Address Validation

Address Validation iO

XStak: Easy Checkout

SD ‑ Add VAT to checkout

Clearer.io Address Validator

Checkout Guardian

B2B Handsfree

Validar Address Validation

Address Validator AddressHero

Loqate Address Validation