rperednikas

Adds a VAT field to the WooCommerce checkout page (both classic and blocks). Validates the entered VAT number using the Zebby VAT API (https://api.zebby.io) and displays the result. Optionally allows for VAT exemption based on validation status and country rules.
Features: 
* Adds VAT field to classic & block checkout. 
* Real-time validation via AJAX (configurable). 
* Displays validation success/failure/error messages. 
* Displays company name if provided by API. 
* Configurable API key and endpoint URL. 
* Option to enforce VAT field requirement. 
* Option to enable automatic VAT exemption for valid numbers in specific countries. 
* Dedicated settings page. 
* Debug logging option.
<h3>Data Sent to Zebby API</h3>
This plugin sends the following data to the Zebby VAT API for validation purposes: 
– VAT number (required for validation) 
– Country code (to determine applicable VAT rules) 
– (Optionally) Company name, if provided by the user
This data is used solely to validate the VAT number and determine VAT exemption eligibility during checkout. No other personal or sensitive data is sent.

Zebby VAT Validation for WooCommerce

Provides VAT validation during WooCommerce checkout using the Zebby VAT API.

marekma

The plugin allow you to validate your clients VAT Number using the online VIES service from Agenzia delle Entrate.
If you don’t currently have a VAT Number field you can easily add one from the settings menu. If you already have one just specify the field ID and the validation will take place on your existing field.
For more information about VIES see <a href="https://telematici.agenziaentrate.gov.it/VerificaPIVA/Scegli.jsp" rel="nofollow ugc">https://telematici.agenziaentrate.gov.it/VerificaPIVA/Scegli.jsp</a>
Based on <a href="https://github.com/pH-7/eu-vat-validator" rel="nofollow ugc">eu-vat-validator</a>: a simple and clean PHP library that validates EU VAT registration numbers against the central ec.europa.eu database.

VIES Validator

Add a VAT Number (Partita IVA) field to Woocommerce checkout and validate it using the VIES API service from Agenzia delle Entrate.

Zebby VAT Validation for WooCommerce vs VIES Validator