SD ‑ Add VAT to checkout

Professional EU VAT number validation during checkout

Transform your B2B checkout experience with professional VAT number validation designed for European merchants. Built with Shopify's 2025-07 API and latest checkout extensibility framework, our app provides seamless real-time validation of EU VAT numbers across all 27 member states.

• Real-time validation - Instant VAT number verification as customers type
• 27 EU countries supported - Complete coverage including Austria, Belgium, etc...
• Checkout integration - Clean, native Shopify UI that match your store
• Automatic order data - Validated VAT information is automatically saved to order
• Fallback validation - Smart format validation when VAT API is unavailable