VIES VAT ID stands for “VAT Information Exchange System Value Added Tax Identification Number”. It is a unique identifier assigned to a business registered for Value Added Tax (VAT) in the European Union (EU). The VIES VAT ID is used to verify the VAT registration status of a business in the EU and ensure compliance with EU VAT regulations.
You can validate your VIES VAT ID here: https://ec.europa.eu/taxation_customs/vies/#/vat-validation