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# VIES API - VAT Information and Exchange System API

API for EU VAT Validation (VIES)

## Sitemaps

- [XML Sitemap](https://viesapi.eu/sitemap.xml): Contains all public & indexable URLs for this website.

## Posts

- [News](https://viesapi.eu/blog/)
- [Planned maintenance work of the website and API interface](https://viesapi.eu/ksef-planned-maintenance-work-of-the-website-and-api-interface-2/) - Planned maintenance downtime due to the implementation of the National System of Electronic Invoices (KSeF)
- [New Terms of Service for viesapi.eu </br>effective March 2nd, 2026](https://viesapi.eu/new-terms-of-service-for-viesapi-eu-effective-march-2nd-2026/) - To better align our services with the demands of modern business and the latest technological standards, a new version of the Terms of Service will take effect on March 2nd, 2026.
- [VIES Checker Application - New version!](https://viesapi.eu/vies-checker-application-new-version-2/) - VIES Checker application with batch mode and check for update feature
- [Planned maintenance work of the website and API interface](https://viesapi.eu/planned-maintenance-work-of-the-website-and-api-interface/) - The viesapi.eu website and the entire API interface will be unavailable from 22:00 on December 6 , 2025 (Saturday) to 02:00 on December 7, 2025 (Sunday)
- [Google Sheets™ Add-on VIES Validator is available in the official Google Marketplace now!](https://viesapi.eu/google-sheets-add-on-vies-validator-is-available-in-the-official-google-marketplace-now/) - The Google Sheets Add-on VIES Validator allows you to quickly and automatically check traders in terms of their current VAT status in the VIES system
- [VIES API application is now available on make.com (low-code platform)](https://viesapi.eu/vies-api-application-is-now-available-on-make-com-low-code-platform/) - viesapi.eu is now available on the low-code platform – make.com. We are the first to provide the ability to download data from the VIES system
- [VIES Checker Application - New version!](https://viesapi.eu/vies-checker-application-new-version/) - VIES Checker application with batch mode and check for update feature
- [We got this! VIES API app is available on make.com (low-code platform) now!](https://viesapi.eu/vies-api-app-make-com-low-code-platform/) - VIES API app is now available on the next low-code platform - make.com: https://www.make.com/en/integrations/vies-api
- [Planned maintenance work of the website](https://viesapi.eu/planned-maintenance-work-5/) - We would like to inform you that due to maintenance work on the service, the websites and the entire API interface will be unavailable
- [New Feature: Asynchronous Functions for Batch Requests](https://viesapi.eu/vies-batch-functions-ms_max_concurrent_req/) - VIES - The maximum number of concurrent requests has been reached (MS_MAX_CONCURRENT_REQ) - workaround.
- [[SOLVED] Serious problems (MS_MAX_CONCURRENT_REQ error) with verifying companies from Germany (DE) in VIES](https://viesapi.eu/vies-problems-with-verifying-companies-from-germany-de/) - [SOLVED] VIES - MS_MAX_CONCURRENT_REQ Error for Germany (DE) EU VAT numbers. Large number of reports regarding the inability to verify contractors in the VIES
- [[SOLVED] VIES ERROR: "The maximum number of concurrent requests has been reached"](https://viesapi.eu/vies-error-the-maximum-number-of-concurrent-requests-has-been-reached-fr/) - [SOLVED] VIES ERROR: "The maximum number of concurrent requests has been reached" (MS_MAX_CONCURRENT_REQ) for French (FR) EU VAT numbers - workaround
- [VIES survey](https://viesapi.eu/vies-survey/) - European Commission has launched a satisfaction survey for users of the VIES system. By participating in this survey, reducing error MS_MAX_CONCURRENT_REQ.
- [New Feature: getVIESDataParsed – Easily Retrieve a Parsed Company Address!](https://viesapi.eu/vies-get-vies-data-parsed-trader-address/) - Get Parsed Trader Address We are excited to introduce a new function in our API: getVIESDataParsed! 🎉 In response to the expectations of our clients, who very often reported a need for a function thanks to which the trader's address returned by the VIES system would be parsed and structured, making it much better suited
- [ksefapi.pl - new service for handling e-Invoices](https://viesapi.eu/ksef-api-pl-e-invoices/) - KSeF | ksefapi.pl service - enables quick and effective integration with the KSeF. Generating e-Invoices in XML. Sending and receiving e-Invoices and UPO.
- [Cross-Border e-commerce: automatic VAT verification of foreign contractors in the VIES system](https://viesapi.eu/vies-cross-border-e-commerce-and-automation-of-verification-of-foreign-contractors/) - Cross-Border E-commerce: automation VAT verification of foreign contractors in the VIES System. Verification of contractors regarding VAT is crucial
- [Planned maintenance work of the website](https://viesapi.eu/planned-maintenance-work-website/) - Planned maintenance work - VIES API - VAT Information and Exchange System API. The work will be related to increasing performance & improving the security.
- [Planned maintenance work](https://viesapi.eu/planned-maintenance-work-3/) - Planned maintenance work - VIES API - VAT Information and Exchange System API
- [Planned maintenance work](https://viesapi.eu/planned-maintenance-work-4/) - Planned maintenance work - VIES API - VAT Information and Exchange System API
- [Stripe - new payment method now available!](https://viesapi.eu/stripe-new-payment-method-now-available/) - VIES API support stripe payments now!
- [VIES - invalid EU VAT number during verification](https://viesapi.eu/vies-invalid-vat-number/) - What should I do when the verification of the EU VAT number in VIES failed or VIES returned information that the number is incorrect or does not exist?
- [CESOP - New measures to fight VAT fraud on online sales](https://viesapi.eu/vies-cesop-vat-fraud-online-sales/) - New rules came into force on 1 January to help Member States better tackle VAT fraud in the area of online sales (CESOP)
- [VIES - Useful information needed in case of unavailability of VAT Information Exchange System](https://viesapi.eu/vies-unavailability-of-vat-information-exchange-system/) - VIES - Useful information needed in case of unavailability of VAT Information Exchange System. The verification is done against the national VAT database.
- [VIES Batch Validation](https://viesapi.eu/vies-batch-validation/) - VIES Batch Validation. Batch method of validating EU VAT numbers has been available on the European Commission's website (VIES).
- [How to use VIES Checker application to validation EU VAT numbers in VIES?](https://viesapi.eu/how-to-use-vies-app-checker-to-validation-vat-numbers-in-vies/) - VIES Checker application allows you to load any CSV file to bulk check entities (EU VAT numbers) of their status in the VIES system
- [Planned maintenance work](https://viesapi.eu/planned-maintenance-work/) - The maintenance works will be related to increasing the security of the system and improving the quality of services provided.
- [JSON format for returned responses now available in our REST VIES API](https://viesapi.eu/rest-vies-api-json/) - We have implemented the possibility of obtaining a response consistent with the JSON structure after sending a query directly to the provided REST VIES API.
- [Planned maintenance work](https://viesapi.eu/planned-maintenance-work-2/) - We would like to inform you that due to the planned maintenance works, there will be a break in access to the website pages from 22:00 on September 23, 2023 (Saturday) to 02:00 on September 24, 2023 (Sunday). The works will be related to increasing the security of the system and improving the quality of
- [Changes in service prices from January 1, 2024](https://viesapi.eu/vies-api-prices/) - Changes in service prices from January 1, 2024 - VIES API - VAT Information and Exchange System API
- [VIES service unavailable](https://viesapi.eu/vies-service-unavailable/) - We would like to inform you that today (November 28, 2023) the API of the VIES system are unavailable. Request sent using the getVIESData function return error
- [How to integrate Google Sheets with VIES </br>(via zapier.com) - Tutorial](https://viesapi.eu/how-to-integrate-google-sheets-with-vies-tutorial/) - Can you integrate Google Sheets with VIES in 4 minutes? Yes, with the VIES API Integrations application available on zapier.com it is possible now!
- [VIES API app is available on zapier.com platform now!](https://viesapi.eu/vies-api-app-is-available-on-zapier-com-platform-now/) - VIES API - VAT Information and Exchange System API - now available on zapier.com, a low-code platform. Feature to confirm the activity of the EU VAT number assigned by any of the European Union Member States and download company data from VAT Information and Exchange System (VIES).
- [What is VIES (VAT Information Exchange System) and why should I use them?](https://viesapi.eu/vies-faq/) - VIES (VAT Information & Exchange System) is an IT system enabling the verification of VAT payers of business entities registered as making intra-EU transactions
- [VIES API is ready to use!](https://viesapi.eu/vies-api-is-ready-to-use/) - To use the viesapi.eu service functionality (to get data from VIES), please download the libraries or applications
- [Excel add-in VIES Validator is available in the official Microsoft store now!](https://viesapi.eu/excel-add-in-vies-validator-is-available-in-the-official-microsoft-store-now/) - The Excel add-in allows you to quickly and automatically check all your EU contractors using the Excel spreadsheet in terms of their current status in the VIES.
- [Automatic checking of EU VAT numbers in the VIES system in simply 3 steps](https://viesapi.eu/automatic-checking-of-eu-vat-numbers-in-the-vies-system-in-simply-3-steps/) - We invite you to read the guide in which we show how quickly and efficiently you can check contractors in the VIES system, using the EU VAT Checker Application (GUI) available on the viesapi.eu portal. A detailed description of all available functions that can be used in VIES Checker is included in the Documentation tab.
- [VIES API - cards payment enabled!](https://viesapi.eu/vies-api-cards-payment-enabled/) - VIES API - VAT Information and Exchange System API
- [How to use the Excel add-in to check EU VAT numbers in VIES](https://viesapi.eu/how-to-use-ms-excel-to-check-vat-numbers-in-vies/) - Learn how to use the Excel add-in to verify EU VAT numbers in VIES. The Excel add-in provides a simple way to verify EU VAT numbers in the VIES system.

## Pages

- [VIES API](https://viesapi.eu/) - vies check, vies btw, vies eu, vat eu, vies library, vies application, vies excel, vies validation, vies validator, vies dph, vies проверка, vies adószám
- [REST API Documentation](https://viesapi.eu/vies-rest-api-documentation/) - REST API for VIES
- [Contact](https://viesapi.eu/contact/) - VIES API Contact. Phone:+48 222-199-199. E-mail: contact@viesapi.eu
- [Terms & Conditions of Service </br>(English only)](https://viesapi.eu/terms/) - Terms of service - APIs for VIES - VAT Information and Exchange System. The viesapi.eu service is not responsible for managing the VIES System.
- [Terms & Conditions of Service </br>(English only)](https://viesapi.eu/terms-to-20260302/) - Terms of service - APIs for VIES - VAT Information and Exchange System. The viesapi.eu service is not responsible for managing the VIES System.
- [VIES API Documentation](https://viesapi.eu/docs/) - Viesapi.eu service provides acess to VIES using i.a. programming libraries, EU VAT Application & CMD/CLI Checker, Excel Add-in and REST API.
- [Downloads](https://viesapi.eu/download/) - Download and use VIES tools we provide, such as integration libraries, applications, and an Excel add-in, which guarantee reliability and operational continuity
- [VIES Programming Libraries (.net, java, php, python, javascript, c/c++)](https://viesapi.eu/vies-programming-libraries/) - vies, api, vat eu, library: c#, java, php, javascript, python, c/c++Checking status in VIES. Get data from VIES with trader address parsed into components.
- [Google Sheets™ Add-on VIES Validator](https://viesapi.eu/google-sheets-add-on-vies-validator/) - The Google Sheets™ Add-on allows you to quickly and automatically check traders using the Google Sheets™ in terms of their current status in the VIES system.
- [Privacy Policy for Google Sheets™ Users using the VIES API Add-on](https://viesapi.eu/vies-google-sheets-terms/) - Privacy Policy for Google Sheets™ Users using the VIES API Add-on
- [VIES Checker Application](https://viesapi.eu/vies-checker-application/) - EU VAT Checker App for bulk VIES Validation. The VIES Checker App allows you to load CSV file and check the entities of their current status in the VIES system
- [Excel Add-in VIES Validator](https://viesapi.eu/vies-excel-eu-vat-check-validate/) - The Excel add-in allows you to quickly and automatically check entities using the Excel spreadsheet in terms of their current status in the VIES system
- [VIES Checker CLI/CMD](https://viesapi.eu/vies-checker-cli-cmd/) - CMD/CLI client for VIES validation
- [Automate Company Record Creation in HubSpot CRM with VIES API and Make.com](https://viesapi.eu/vies-api-automate-company-record-creation-in-hubspot-crm-with-make-com/) - VIES API - The power of Make.com lies in its ability to connect and automate the flow of data between VIES System, VIES API and HubSpot CRM.
- [Blog](https://viesapi.eu/blog-2/) - Automatic checking of EU VAT numbers in the VIES system VIES Checker application to validation EU VAT MS Excel to check VAT numbers in VIES Integration with make.com and zapier.com
- [VIES API - Testing Environment](https://viesapi.eu/test-vies-api/) - Test environment for checking entity status in VIES system. Get firm data from VIES registry with trader address parsed into components.
- [Pricing](https://viesapi.eu/offer/) - APIs for VIES subscribtion pricing
- [How to use Excel to check EU VAT numbers in VIES](https://viesapi.eu/how-to-use-excel-to-check-eu-vat-numbers-vies/) - Watch how to automatically and massively verify EU VAT statuses of companies in the VIES system using our Excel add-in
- [How to automatically and bulky verify EU VAT numbers in VIES?](https://viesapi.eu/how-to-automatically-and-bulky-verify-eu-vat-numbers-in-vies/) - Watch how to automatically and bulky verify EU VAT status of companies in the VIES system using EU VAT Application Checker.
- [End User License Agreement](https://viesapi.eu/office-store-end-user-license-agreement/) - OFFICE STORE STANDARD APPLICATION LICENSE TERMS These license terms are an agreement between NETCAT Systemy Informatyczne (“App Provider”) and you. Please read them. They apply to the add-in or other software application you download from the Office Store or acquire from within the settings of an Office product (“App”), unless the App comes with separate
- [Sign-in](https://viesapi.eu/sign-in/) - Sign-in to viesapi.eu portal
- [Test API](https://viesapi.eu/test-api/) - Test environment for checking entity status in VIES system. For all those willing to test the operation of shared libraries, plugins and an add-on for Microsoft Excel, a test API has been made available at: https://viesapi.eu/api-test/ Using the test API does not require creating an account on the viesapi.eu website, and all the test API
- [Monitoring EU VAT numbers in VIES](https://viesapi.eu/monitoring-eu-vat-numbers-in-vies-service/) - Introduction The service of automatic checking of the EU VAT numbers allows for completely maintenance-free monitoring of status of the entity in the VIES
- [Privacy Policy](https://viesapi.eu/privacy-policy/) - By using the Application, you agree to the collection and use of information in accordance with this policy. NETCAT Systemy Informatyczne ("us", "we", or "our") operates https://viesapi.eu and the associated Excel Add-In available in the Microsoft AppSource store. We will collectively refer to the aforementioned as the Biała lista podatników VAT, VIES, REGON service and the

## Downloads

- [VIES Application Checker (GUI) - Portable ZIP](https://viesapi.eu/download/eu-vat-vies-application-checker-gui-portable/) - VIES Checker app allows you to load any CSV file to check company, whose EU VAT numbers are saved in CSV file in terms of their status in the VIES system.
- [VIES Application Checker (GUI) - Windows Installer](https://viesapi.eu/download/vies-application-checker-gui/) - VIES Checker application allows you to load any CSV file to check entities (contractors), whose EU VAT numbers are saved in CSV file in terms of their status in the VIES system. By using asynchronous batch checking, you can be sure that all EU VAT numbers will be checked. Installation, configuration and use details described
- [JavaScript (Node.js) library](https://viesapi.eu/download/vies-javascript-library/) - JavaScript (Node.js) library allows you to check and download data from the VIES
- [Excel Add-in for VIES verification](https://viesapi.eu/download/excel-add-in-vies-verification/) - The Excel add-in allows you to quickly and automatically check contractors using the Excel spreadsheet in terms of their current status in the VIES system.
- [EU VAT CLI/CMD Checker](https://viesapi.eu/download/eu-vat-vies-cli-cmd-checker/) - The VIES CLI/CMD Checker is a client application allows for quick and automatic checking of entities (contractors) from the command line level (CLI / CMD) in terms of their current status in the VIES system. Installation, configuration and use details described directly on the VIES Checker CLI/CMD page.
- [Microsoft .NET library (C #, Visual Basic, SQL Server, Access, Dynamics, FoxPro and others)](https://viesapi.eu/download/microsoft-vies-net-library-cs-visual-basic-sql-server-access-dynamics-foxpro-and-others/) - Programming libraries allows you to get data based on the entered VAT EU number. Microsoft .NET library allows you to check and download data from the VIES
- [C/C++ library](https://viesapi.eu/download/vies-library-c/) - A library written in C for use in C / C ++ applications that allows you to check and retrieve data from the VIES system maintained by Europe Union. Details of the integration on the Documentation page.
- [JAVA library](https://viesapi.eu/download/vies-java-library/) - Java library allows you to check and download data from the VIES
- [Python library](https://viesapi.eu/download/vies-python-library/) - A library written in Python that allows you to check and retrieve data from the VIES system maintained by Europe Union. Details of the integration on the Documentation page.
- [PHP library](https://viesapi.eu/download/vies-php-library/) - A library written in PHP that allows you to check and retrieve data from the VIES system maintained by Europe Union. Details of the integration on the Documentation page.
- [Nip24](https://viesapi.eu/download/nip24/) - Nip24 do testów

## Categories

- [vies faq](https://viesapi.eu/category/vies/vies-faq/) - frequently asked questions about VAT Information and Exchange System (VIES)
- [vies-excel](https://viesapi.eu/category/vies/vies-excel/) - Use Excel add-in to bulk verify companies in the VIES system
- [vies-checker](https://viesapi.eu/category/vies/vies-checker/) - How to use MS Excel or VIES Checker Application to validate EU VAT numbers in VIES system
- [vies checker](https://viesapi.eu/category/vies/vies-checker-2/) - use MS Excel or VIES Checker Application to validate EU VAT numbers in VIES system
- [vies excel](https://viesapi.eu/category/vies/vies-excel-2/) - Use Excel add-in to bulk verify companies in the VIES system
- [vies api](https://viesapi.eu/category/vies/vies-api/) - Use Excel add-in, Application, Libraries (c#, java, javascript, php, python, c/c++) or RESTfull interface to connect to the VIES system
- [vies](https://viesapi.eu/category/vies/) - VIES (VAT Information Exchange System) – use to validation EU VAT numbers
- [bulk](https://viesapi.eu/category/vies/bulk/) - bulk validation companies in the VIES system
- [excel](https://viesapi.eu/category/vies/vies-excel/excel/) - The Excel add-in allows you to quickly and automatically check companies in the VIES
- [validator](https://viesapi.eu/category/vies/validator/) - use Excel add-in or VIES Checker Application to validation EU VAT numbers in the VIES system
- [check](https://viesapi.eu/category/vies/eu-vat/check/) - automatic checking of companies in the VIES system
- [eu vat](https://viesapi.eu/category/vies/eu-vat/) - automatic and bulk EU VAT numbers validation in the VIES system
- [tutorial](https://viesapi.eu/category/tutorial/)
- [maintenance](https://viesapi.eu/category/maintenance/)
- [news](https://viesapi.eu/category/news/)
- [low-code](https://viesapi.eu/category/low-code/)
- [cesop](https://viesapi.eu/category/cesop/)
- [MS_MAX_CONCURRENT_REQ](https://viesapi.eu/category/ms_max_concurrent_req/)
- [ksef](https://viesapi.eu/category/ksef/)
- [parsed-address](https://viesapi.eu/category/parsed-address/)
- [make.com](https://viesapi.eu/category/make-com/)
- [Google Sheets](https://viesapi.eu/category/google-sheets/)

## Tags

- [vies faq](https://viesapi.eu/tag/vies-faq/) - frequently asked questions about VAT Information and Exchange System (VIES)
- [vies-excel](https://viesapi.eu/tag/vies-excel/) - The Excel add-in allows you to quickly and automatically check companies in the VIES
- [vies checker](https://viesapi.eu/tag/vies-checker/) - use MS Excel or VIES Checker Application to validate EU VAT numbers in VIES system
- [vies](https://viesapi.eu/tag/vies/) - VIES (VAT Information Exchange System) – use to validation EU VAT numbers with viesapi.eu APIs
- [api](https://viesapi.eu/tag/api/) - Use Excel add-in, Application, Libraries (c#, java, javascript, php, python, c/c++) or RESTfull interface to connect to the VIES system
- [bulk](https://viesapi.eu/tag/bulk/) - bulk validation companies in the VIES system
- [excel](https://viesapi.eu/tag/excel/) - The Excel add-in allows you to quickly and automatically check companies in the VIES
- [validator](https://viesapi.eu/tag/validator/) - use Excel add-in or VIES Checker Application to validation EU VAT numbers in the VIES system
- [validation](https://viesapi.eu/tag/validation/)
- [tutorial](https://viesapi.eu/tag/tutorial/)
- [news](https://viesapi.eu/tag/news/)
- [maintenance](https://viesapi.eu/tag/maintenance/)
- [low-code](https://viesapi.eu/tag/low-code/)
- [zapier](https://viesapi.eu/tag/zapier/)
- [make.com](https://viesapi.eu/tag/make-com/)
- [rest](https://viesapi.eu/tag/rest/)
- [json](https://viesapi.eu/tag/json/)
- [MS_MAX_CONCURRENT_REQ](https://viesapi.eu/tag/ms_max_concurrent_req/)
- [DE](https://viesapi.eu/tag/de/)
- [cesop](https://viesapi.eu/tag/cesop/)
- [ksef](https://viesapi.eu/tag/ksef/)
- [parsed-address](https://viesapi.eu/tag/parsed-address/)
- [survey](https://viesapi.eu/tag/survey/)
- [batch](https://viesapi.eu/tag/batch/)
- [Google Sheets](https://viesapi.eu/tag/google-sheets/)

## Categories

- [vies checker](https://viesapi.eu/download-category/vies-checker/)
- [eu vat checker](https://viesapi.eu/download-category/eu-vat-checker/)
- [vies application](https://viesapi.eu/download-category/vies-application/)
- [vies](https://viesapi.eu/download-category/vies/)
- [vies excel add-in](https://viesapi.eu/download-category/vies-excel-add-in/)
- [vies java](https://viesapi.eu/download-category/vies-java/)
- [eu vat java](https://viesapi.eu/download-category/eu-vat-java/)
- [c# vies](https://viesapi.eu/download-category/c-vies/)
- [vies .net](https://viesapi.eu/download-category/vies-net/)
- [vies javascript](https://viesapi.eu/download-category/vies-javascript/)
- [vies library](https://viesapi.eu/download-category/vies-library/)
- [PHP](https://viesapi.eu/download-category/php/)
- [python](https://viesapi.eu/download-category/python/)
- [c/c++](https://viesapi.eu/download-category/c-c/)
- [library](https://viesapi.eu/download-category/library/)
- [api](https://viesapi.eu/download-category/api/)
- [vies batch](https://viesapi.eu/download-category/vies-batch/)
- [gui](https://viesapi.eu/download-category/gui/)

## Tags

- [vies](https://viesapi.eu/document-tag/vies/)
- [eu vat checker](https://viesapi.eu/document-tag/eu-vat-checker/)
- [vies checker](https://viesapi.eu/document-tag/vies-checker/)
- [vies validation](https://viesapi.eu/document-tag/vies-validation/)
- [eu vat excel](https://viesapi.eu/document-tag/eu-vat-excel/)
- [eu vat validator](https://viesapi.eu/document-tag/eu-vat-validator/)
- [vat eu validator](https://viesapi.eu/document-tag/vat-eu-validator/)
- [java](https://viesapi.eu/document-tag/java/)
- [api](https://viesapi.eu/document-tag/api/)
- [c#](https://viesapi.eu/document-tag/c/)
- [vb](https://viesapi.eu/document-tag/vb/)
- [sql](https://viesapi.eu/document-tag/sql/)
- [access](https://viesapi.eu/document-tag/access/)
- [dynamics](https://viesapi.eu/document-tag/dynamics/)
- [microsoft](https://viesapi.eu/document-tag/microsoft/)
- [.net](https://viesapi.eu/document-tag/net/)
- [javascript](https://viesapi.eu/document-tag/javascript/)
- [library](https://viesapi.eu/document-tag/library/)
- [php](https://viesapi.eu/document-tag/php/)
- [python](https://viesapi.eu/document-tag/python/)
- [c/c++](https://viesapi.eu/document-tag/c-c/)
- [vies batch](https://viesapi.eu/document-tag/vies-batch/)
- [gui](https://viesapi.eu/document-tag/gui/)