SD ‑ Add VAT to checkout

Make VAT handling simple and professional for your European B2B store with reliable EU VAT number validation during checkout. This app seamlessly integrates with Shopify's latest checkout framework to verify VAT numbers in real-time across all 27 EU member states. As customers enter their VAT details, the system instantly validates the format and authenticity, automatically saving verified information to orders. The clean, native Shopify interface maintains your store's professional look while ensuring compliance. Even when the VAT API is temporarily unavailable, smart format validation keeps your checkout running smoothly. Built specifically for European merchants using Shopify's 2025-07 API, this solution delivers reliable VAT number processing for B2B transactions.