Title: VIESAC – Free VAT Validation for WooCommerce Author: viesac Published: 5 juin 2026 Last modified: 5 juin 2026 --- Recherche d’extensions ![](https://ps.w.org/viesac/assets/banner-772x250.png?rev=3561996) ![](https://ps.w.org/viesac/assets/icon-256x256.png?rev=3561996) # VIESAC – Free VAT Validation for WooCommerce Par [viesac](https://profiles.wordpress.org/viesac/) [Télécharger](https://downloads.wordpress.org/plugin/viesac.1.0.4.zip) * [Détails](https://fr-be.wordpress.org/plugins/viesac/#description) * [Avis](https://fr-be.wordpress.org/plugins/viesac/#reviews) * [Installation](https://fr-be.wordpress.org/plugins/viesac/#installation) * [Développement](https://fr-be.wordpress.org/plugins/viesac/#developers) [Support](https://wordpress.org/support/plugin/viesac/) ## Description VIESAC adds free VAT validation to WooCommerce checkout. It validates EU, Norwegian, Swiss, and Northern Ireland VAT numbers and stores VIESAC certificates for audit- ready B2B orders. #### Features * **Free unlimited VAT validation** – Validate VAT numbers at WooCommerce checkout * **15 VIESAC audits per month** – Full audits with VIES certificate storage * **Lifetime storage** – VIES certificates stored permanently * **EU VIES compliance** – VAT number validation for EU businesses * **B2B tax exemption** – Automatic WooCommerce tax removal when VAT is valid * **Certificate download** – PDF certificate available in order details * **Company and VAT fields** – Adds company name and VAT number fields to checkout * **Checkout blocks support** – Works with WooCommerce Blocks * **HPOS compatible** – Compatible with WooCommerce Custom Order Tables #### Supported countries All EU member states plus Northern Ireland (XI), Norway (NO), and Switzerland (CH). #### Getting started 1. Install and activate the plugin. 2. Go to WooCommerce -> VIESAC. 3. Get your free API key from [https://viesac.eu/app/api](https://viesac.eu/app/api). 4. Enter the API key and save. #### Languages VIESAC is available in 25+ languages: English, German, French, Spanish, Italian, Polish, Dutch, Romanian, Greek, Czech, Swedish, Hungarian, Portuguese, Bulgarian, Danish, Finnish, Slovak, Croatian, Latvian, Estonian, Lithuanian, Slovenian, Russian, Turkish, Arabic, Ukrainian. ### External services This plugin connects to the VIESAC API to validate VAT numbers, retrieve account usage information, and optionally create audit records with certificate storage. It sends data to `https://viesac.eu` only when a store administrator enters an API key and the plugin performs one of these actions: * VAT validation and audit creation via `https://viesac.eu/api/v1/audits` * Account and usage lookup via `https://viesac.eu/api/v1/account` Depending on the action, the plugin may send: * VAT country code and VAT number * Company name * Company address * Order number * Order audit details in XML format for certificate generation Service provider documentation: * Privacy Policy: [https://viesac.eu/privacy-policy](https://viesac.eu/privacy-policy) * Terms of Service: [https://viesac.eu/terms-of-service](https://viesac.eu/terms-of-service) ## Captures d’écran * [[ * WooCommerce order page with verified VAT status and VIESAC certificate download button * [[ * VIESAC configuration page for API key and audit usage * [[ * WooCommerce checkout with company name, VAT number, and tax-exempt B2B total ## Installation 1. Upload the plugin files to `/wp-content/plugins/viesac/`, or install the plugin through the WordPress plugins screen directly. 2. Activate the plugin through the `Plugins` screen in WordPress. 3. Ensure WooCommerce is installed and active. 4. Go to WooCommerce -> VIESAC and enter your API key from [https://viesac.eu/app/api](https://viesac.eu/app/api). ## FAQ ### Do I need to pay? VAT validation is free. You get 15 VIESAC audits per month (full audits with certificate storage) free of charge. Paid plans offer more audits. ### What is an audit? An audit is a full validation that creates and stores a VIES certificate for the order. VAT number checks at checkout are unlimited and free. ### Does it work with WooCommerce Blocks? Yes. VIESAC is compatible with WooCommerce Blocks checkout. ## Avis Il n’y a aucun avis pour cette extension. ## Contributeurs & développeurs « VIESAC – Free VAT Validation for WooCommerce » est un logiciel libre. Les personnes suivantes ont contribué à cette extension. Contributeurs * [ viesac ](https://profiles.wordpress.org/viesac/) “VIESAC – Free VAT Validation for WooCommerce” a été traduit dans 1 locale. Remerciez [l’équipe de traduction](https://translate.wordpress.org/projects/wp-plugins/viesac/contributors) pour ses contributions. [Traduisez « VIESAC – Free VAT Validation for WooCommerce » dans votre langue.](https://translate.wordpress.org/projects/wp-plugins/viesac) ### Le développement vous intéresse ? [Parcourir le code](https://plugins.trac.wordpress.org/browser/viesac/), consulter le [SVN dépôt](https://plugins.svn.wordpress.org/viesac/), ou s’inscrire au [journal de développement](https://plugins.trac.wordpress.org/log/viesac/) par [RSS](https://plugins.trac.wordpress.org/log/viesac/?limit=100&mode=stop_on_copy&format=rss). ## Journal #### 1.0.4 * Add Norway and Switzerland VAT validation support * Add WordPress.org plugin icons, banner, and screenshots * Sharpen readme copy around free VAT validation, VAT number checkout fields, B2B tax exemption, and certificate storage #### 1.0.3 * Clean up WordPress.org scanner issues without changing checkout behavior * Add missing plugin translations for Company name fields across all bundled locales * Rebuild translation files for verified runtime loading in WordPress * Harden admin output escaping and checkout/order input sanitization * Normalize plugin file line endings and refine PHPCS-safe request handling in checkout/order flows #### 1.0.2 * Add best-effort fallback VAT field injection for custom WooCommerce checkout themes * Re-inject VAT field after checkout AJAX updates and DOM re-renders * Improve compatibility with custom theme checkout wrappers such as Avada-style layouts * Keep WooCommerce Blocks behavior separate from classic/custom theme fallback logic #### 1.0.1 * Update text domain and WordPress compatibility metadata * Add WooCommerce dependency header * Document external API service usage for WordPress.org review * Clean plugin copy for UTF-8 safe packaging #### 1.0.0 * Initial release * VAT validation at checkout * 15 free VIESAC audits per month * VIES certificate download * Admin settings page * 25+ language translations ## Méta * Version **1.0.4** * Last updated **il y a 2 jours** * Active installations **Moins de 10** * WordPress version ** 5.9 ou plus ** * Tested up to **6.9.4** * PHP version ** 7.2 ou plus ** * Languages * [English (US)](https://wordpress.org/plugins/viesac/) et [Russian](https://ru.wordpress.org/plugins/viesac/). * [Traduisez la dans votre langue](https://translate.wordpress.org/projects/wp-plugins/viesac) * Tags * [b2b](https://fr-be.wordpress.org/plugins/tags/b2b/)[tax](https://fr-be.wordpress.org/plugins/tags/tax/) [vat](https://fr-be.wordpress.org/plugins/tags/vat/)[vies](https://fr-be.wordpress.org/plugins/tags/vies/) [woocommerce](https://fr-be.wordpress.org/plugins/tags/woocommerce/) * [Vue avancée](https://fr-be.wordpress.org/plugins/viesac/advanced/) ## Notes No reviews have been submitted yet. [Your review](https://wordpress.org/support/plugin/viesac/reviews/#new-post) [See all reviews](https://wordpress.org/support/plugin/viesac/reviews/) ## Contributeurs * [ viesac ](https://profiles.wordpress.org/viesac/) ## Support Quelque chose à dire ? Besoin d’aide ? [Voir le forum de support](https://wordpress.org/support/plugin/viesac/)