Tax validation apps 2026

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SD ‑ Add VAT to checkout

(1/5)

1 Reviews

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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Cookify: GDPR Cookie Consent

(1/5)

1 Reviews

Effortless GDPR Compliance with a Customizable Cookie Banner! Show more

Cookify GDPR Cookie Consent is an intuitive app designed to help you create a GDPR-compliant cookie consent banner that seamlessly integrates with your brand's aesthetic. With options to customize colors, fonts, text, and layout, you can tailor the banner to perfectly match the look and feel of your store. The app supports compliance with GDPR (EU), CCPA (California, USA), LGPD (Brazil), PIPEDA (Canada), and APPI (Japan), ensuring global privacy standards are met. Its flexible design is compatible with all Shopify themes, making it an ideal solution for any store looking to enhance their user privacy policies. Additionally, you can choose to display the banner specifically to EU customers or to all site visitors, increasing transparency about cookie usage. To further support user trust, you can easily include a direct link to your privacy policy within the banner.

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Full customization

Targeted display

Privacy link

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Age verification

$2.5-$8 / Month

(4.9/5)

17 Reviews

Effortlessly verify user age, ensuring compliance and protecting your business. Show more

The Age Verification 18+ app is designed to ensure your business remains compliant with age restriction regulations, protecting both your company and minors from accessing inappropriate content. This intuitive app is fully customizable to match your website's style, featuring responsive design that works seamlessly on all devices. It offers multiple methods to verify age, such as simple yes/no buttons, date of birth, or birth year entry, and allows underage users to be redirected to other websites. With the ability to set a minimum age limit of 18+ or 21+, the app safeguards your business by enhancing legal adherence effortlessly. Users can easily tweak the verification screens with pre-made templates or by incorporating their brand's logo. The app requires no coding and lets you edit text, images, and add disclaimers for a tailored user experience. Rely on the optimized Age Gate popup to prevent unauthorized online sales and protect specific pages or entire websites with ease, keeping your business secure and compliant.

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No coding required

Device compatibility

Customizable templates

Legal compliance

Age gate popup

Effortless verification

Add to Site

GDPR Cookie Consent

$4.15-$10 / Month

(4.6/5)

13 Reviews

Effortless GDPR compliance with customizable, mobile-friendly cookie banners. No coding required! Show more

The GDPR Cookie Consent app is designed to help website owners effortlessly comply with GDPR regulations, offering full cookie consent management without the need for technical expertise. This user-friendly tool allows you to easily set up cookie banners and consent bars that are fully customizable, ensuring they blend seamlessly with your website's design and branding. Its mobile-friendly capabilities guarantee that the banners look great and provide an optimal user experience on any device. By giving users control over their cookie preferences, you can enhance trust and transparency, protecting your business from potential legal issues. Enjoy the peace of mind that comes with seamless integration and full compliance, all without the hassle of coding. The GDPR Cookie Consent app is the perfect solution for maintaining compliance while ensuring a positive, uninterrupted user experience.

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Mobile-friendly design

No coding required

Customizable cookie banners

Consent management

User preference control

Add to Site

ProveSource Sales Popups

$5.83 / Month

(4.8/5)

39 Reviews

Boost trust with social proof notifications of sales and reviews. Show more

ProveSource Social Proof is an innovative app designed to boost conversions on your website by showcasing recent activities, such as sales, registrations, and visits, creating an engaging and trustworthy online environment. It effectively displays streams of recent conversions, like purchases and signups, and integrates positive reviews from platforms like Facebook, Google, and Reviews.io directly onto your site. This app enhances trust and compels users to engage by creating a sense of urgency and interest through real-time, localized, customizable notifications that are both mobile-friendly and visually appealing. ProveSource allows you to easily customize these notifications' appearance, including their position, timing, and colors, to align perfectly with your brand's identity. Moreover, it helps you measure your return on investment and impact through its Goals and Analytics features, offering valuable insights into your website’s performance. By using ProveSource, you tap into the psychological influence of social proof and FOMO, leveraging the natural human inclination to follow others' actions to encourage potential customers to act. Whether sharing promotional messages or showcasing the number of visitors and conversions, ProveSource ensures your website stands out as a dynamic, busy attraction for prospective clients.

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Real-time updates

Mobile-friendly design

Customizable notifications

Visitor tracking

Sales notifications

Review display

Add to Site

Cookie Consent & GDPR

$3.3 / Month

(5/5)

1 Reviews

Ensure compliance with cookie consent and GDPR regulations effortlessly.

Add to Site

TrustDecision Fraud Prevention

1 Reviews

Prevent Fraud And Approve Good Orders Show more

TrustDecision Fraud Prevention is an advanced solution designed to enhance your business's security by intelligently screening and managing orders. The app ensures a seamless, frictionless experience for legitimate customers while effectively safeguarding against fraudulent activities and costly chargebacks. By categorizing each order as Accept, Review, or Reject, TrustDecision empowers businesses to make informed decisions about which transactions to approve or cancel, optimizing operational efficiency. With added chargeback protection, businesses can confidently focus on growth while minimizing financial risks. TrustDecision also reduces false declines, ensuring that valid customers aren't mistakenly turned away, thus maintaining customer satisfaction and trust. This robust tool provides peace of mind by integrating seamlessly into your existing systems for streamlined fraud management.

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Order labeling

Frictionless experience

Chargeback protection

Block fraud orders

Reduce false declines

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H3 Payment Audit

$10-$100 / Month

1 Reviews

Optimize Financial Accuracy with Smart Payment Auditing. Show more

H3 Payment Audit is a powerful application designed to enhance business financial management by providing precise order price management, inclusive of shipping costs. It ensures accurate revenue calculations through the deduction of courier charges, simplifying the often-complex task of auditing orders. By streamlining financial records and excluding shipping expenses, it offers businesses a clear picture of their financial standing. The app categorizes payments based on their status — paid, pending, or incoming — allowing for efficient payment administration. With H3 Payment Audit, businesses gain better visibility and control over their transactions. It enables thorough audits to monitor the accuracy of courier fulfillment, ensuring that all charges are appropriately handled. This app is an essential tool for businesses aiming to maintain precise financial records and optimize their revenue management processes.

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Order price management

Financial record streamlining

Payment categorization

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Checkout Functions

$15 / Month

1 Reviews

Hide payment gateways and shipping methods with complex rules Show more

Checkout Functions is a versatile app designed to empower Shopify merchants by providing enhanced control over payment options during the checkout process. With this app, merchants can strategically hide specific payment gateways based on a variety of checkout conditions, such as the Shopify market, cart specifics, and customer details. By utilizing complex conditional rules, sellers can customize the availability of payment methods to better align with business strategies and customer preferences. Built using native Shopify Functions, the app ensures seamless integration and optimal performance within the Shopify ecosystem. Checkout Functions not only improves operational efficiency but also enhances the overall shopping experience by presenting customers with the most relevant payment options. This capability can be vital in optimizing checkout flows, reducing cart abandonment, and ultimately increasing conversion rates.

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Hide payment gateways

Conditional checkout rules

Target specific gateways

Install App

TaxWatch

$10 / Month

US sales tax economic nexus status analysis showing all states Show more

TaxWatch is an intuitive app designed to help businesses navigate their economic nexus obligations across the United States, including all states, Washington D.C., and U.S. taxing territories. The app features an interactive, color-coded map that provides a visual guide to your store's economic nexus status in each jurisdiction. By clicking on any state, users can access detailed, plain-language explanations of their current status and see how close they are to reaching the economic nexus threshold. For seamless tax management and filing, TaxWatch allows users to export summary sales and tax data as CSV files. In addition to this, the app offers comprehensive nexus criteria and a wealth of helpful tax resources and links tailored to each state, ensuring businesses stay informed and compliant.

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Color-coded map

Economic nexus status

Csv exportable data

Plain-language explanations

Resource links

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TaxGPT

AI-powered tax assistant for professionals Show more

TaxGPT is an innovative AI-powered application tailored for tax professionals, accountants, and businesses seeking efficient tax management solutions. The platform leverages cutting-edge AI models to deliver precise answers to even the most complex tax-related inquiries, enhancing decision-making processes. Tax professionals can streamline their workflow by using TaxGPT to generate detailed tax memos and automate extensive portions of tax research, reducing the time and effort traditionally required. In addition, the app facilitates seamless document management, ensuring that essential tax documents are organized and easily accessible. With its user-friendly interface, TaxGPT is an indispensable tool for professionals aiming to optimize their tax operations and stay compliant with ever-evolving regulations. By integrating AI into tax tasks, TaxGPT empowers its users to focus more on strategic activities and less on mundane processes.

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Ai-driven insights

Tax document automation

Complex query resolution

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No Worries Sales Tax

Effortlessly manage sales tax with precise geocoding and automatic nexus detection. Show more

No Worries Sales Tax is a seamless solution for Shopify store owners who want to simplify sales tax calculations. With lightning-fast integration, this app connects to your Shopify store in seconds, accurately determining where tax is owed using precise, rooftop-accurate geocoding. You no longer have to rely on imprecise ZIP codes, as No Worries provides exact tax rates, ensuring compliance with ease. The app features automatic nexus detection, offering quick insights into your tax obligations and live threshold tracking for every U.S. state. Additionally, it supports multi-country tax calculations for the USA and Australia, making it a comprehensive tool for international sellers. Let No Worries Sales Tax handle the intricacies of sales tax so you can focus on growing your business without the hassle.

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Multi-country support

Precise geocoding

Automatic nexus detection

Live threshold tracking

Install App

ONESOURCE Indirect Tax Determination for Sales Tax, Cert Management, Global VAT, GST

Automated global tax solution for seamless sales, VAT, and GST compliance. Show more

ONESOURCE Indirect Tax Determination is a comprehensive tax solution designed for businesses of all sizes—small, medium, and large. It simplifies sales tax, VAT, and GST calculations, ensuring accuracy with every transaction, no matter where your customers are located globally. This cloud-based platform seamlessly integrates with BigCommerce, allowing businesses to automate tax decisions without the complexity of maintaining in-house tax systems. It supports over 200 countries and features built-in solutions for US certificate management and address validation. ONESOURCE effectively handles millions of transactions daily, providing precise tax calculations in milliseconds. The platform’s expert global tax research team continuously monitors over 20,000 tax jurisdictions, ensuring up-to-date tax compliance. Gain control and consistency in your tax management with ONESOURCE, a scalable and unified system that adapts to your company's changing needs.

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Automated tax compliance

Real-time integration

Global tax management

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Stripe Tax

Automate tax calculations and filings for BigCommerce with Stripe Tax. Show more

Stripe Tax is a powerful tool that simplifies managing sales tax obligations for BigCommerce store owners. Seamlessly integrating with your store, this connector enables automatic calculation and collection of sales tax, VAT, and GST for each transaction, ensuring compliance without the hassle. It also offers automatic filing features, relieving business owners from the stress of managing returns and allowing them to focus on scaling their business. By applying the correct tax rates in real-time based on each customer's location, Stripe Tax eliminates the complexities and risks associated with tax compliance, both domestically and internationally. This solution not only reduces manual errors but also optimizes e-commerce operations, saving valuable time. Enjoy enhanced customer satisfaction through a smooth checkout process, and gain peace of mind with precise tax management. Let Stripe Tax handle the details, so you can dedicate your energy to business growth.

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Seamless integration

Automate tax calculations

Real-time tax rates

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TaxWisp: Manage Tax Exemptions

$8 / Month

Automate and simplify sales tax exemptions for Shopify stores. Show more

TaxWisp is a powerful tool designed to streamline and automate the sales tax exemption process for Shopify stores. Catering to tax-exempt customers such as resellers and nonprofit organizations, TaxWisp simplifies the collection, validation, and management of exemption certificates directly from your storefront. Say goodbye to the tedious tasks of manual reviews, follow-up emails, and refunds. With TaxWisp, customers can apply for tax exemptions instantly, enabling quicker approvals and a smoother transaction experience. Suitable for all Shopify stores, whether standard or Plus, TaxWisp offers seamless integration. The app not only allows customers to request exemptions directly from the store but also facilitates easy review and approval processes. Additionally, it secures the storage of exemption certificates and enables automated workflows, automatically tagging tax-exempt customers for a hassle-free checkout experience.

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Customer tagging

Direct exemption requests

Automated approval workflows

Secure certificate storage

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OC Toggle Tax

"Dynamically manage product visibility and tax preferences on Shopify." Show more

OC Toggle Tax is a powerful and flexible Shopify app designed to enhance store management through advanced tag-based functionality. It enables merchants to dynamically show or hide products, collections, or content using custom tags, providing a tailored shopping experience for specific customer groups or unique scenarios. The app offers seamless toggling between tax-inclusive and tax-exclusive views, accommodating varying customer preferences and regional tax regulations. Its intuitive interface simplifies the process of managing complex store frameworks, making it easier for merchants to implement sophisticated visibility controls. With OC Toggle Tax, store owners can also customize color settings and translate essential keywords, ensuring a fully personalized and accessible shopping experience for a diverse customer base. By leveraging powerful tag logic, OC Toggle Tax streamlines store administration, allowing merchants to focus on growing their business.

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Tag-based customization

Dynamic product visibility

Tax preference toggle

Customer group control

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Vertex Tax

Simplifying tax complexities for US and Canada businesses, effortlessly and efficiently. Show more

Vertex Tax is a comprehensive tax management app designed to simplify the increasingly complex world of tax compliance for businesses. As tax regulations constantly evolve, understanding their implications can be challenging, diverting your focus from core business operations. Vertex Tax offers a streamlined solution, allowing you to efficiently meet your tax obligations with minimal hassle. With flexible deployment options, it ensures rapid implementation, reducing the need for extensive IT support. The app continually evolves with new functionalities and user experience enhancements to meet your changing needs. By simplifying sales and use tax calculation and reporting, Vertex Tax empowers you to concentrate on running and growing your business. Currently available for merchants in the US and Canada, it provides a reliable partner in navigating the complexities of the tax landscape.

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Automated tax calculation

Flexible deployment options

Sales tax reporting

Streamlined compliance management

Real-time tax updates

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DSTax TaxConnect for CCH® SureTax®

Streamline sales tax management with accuracy, automation, and robust audit support. Show more

DSTax TaxConnect for CCH® SureTax® is an advanced solution designed to enhance productivity and strengthen audit defenses for sales and use taxes. This all-in-one platform ensures you stay updated with constant tax legislation changes, allowing precise tax collection and accurate return preparation. Powered by Wolters Kluwer's extensive database, it delivers exceptional tax calculation accuracy, even for the most complex transactions. Offering automated sales and use tax management, the app ensures greater accuracy and timely filing of returns. Its robust functionality also provides strong audit defense and industry-leading reporting capabilities, making tax management seamless and efficient. Trust DSTax TaxConnect for reliable, comprehensive sales tax management integrated into one unified platform.

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Compliance management

Sales tax automation

Audit support tools

Accurate tax calculation

Integrated tax platform

Dynamic rate updates

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Verify

Legal pre-bill compliance and verification for firms to recover revenue Show more

Verify is an innovative app designed to streamline the billing process through the power of AI, ensuring seamless adherence to Outside Counsel Guidelines (OCGs) and internal time entry norms. The platform minimizes non-billable hours spent on billing compliance, making it an essential tool for legal professionals and other time-sensitive industries. One standout feature is its optional early intervention, which allows individual timekeepers to effortlessly rectify non-compliant time entries with just one click before pre-bills are generated. With its intuitive interface, Verify delivers all the benefits of a paperless billing tool, simplifying time entry and facilitating efficient pre-bill reviews. This ensures that users can focus more on their core work while maintaining accuracy and compliance in their billing processes. Versatile and user-friendly, Verify is redefining how professionals manage their billing systems.

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Ai-driven compliance

Effortless billing

Pre-bill review

Time entry standards

One-click correction

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Excise Tax Manager by Ebizio Checkout

Assign excise tax rates by product group and location efficiently. Show more

The Excise Tax Manager by Ebizio Checkout is an innovative app designed for businesses using BigCommerce to efficiently manage excise taxes. This versatile tool allows store owners to assign specific tax rates to different product groups and geographic zones, ensuring seamless compliance with regional tax regulations. It is particularly beneficial for industries like vape products, alcohol, and firearms, where strict tax laws are prevalent. By calculating taxes based on the order's shipping address, the app ensures precise, line-item taxation for each transaction. This not only simplifies the tax collection process but also enhances accuracy, reducing the risk of penalties from tax errors. Businesses interested in optimizing their tax management practices can rely on this app for a streamlined experience tailored to their industry needs.

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Assign tax rates

Location-based taxes

Product group categorization

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