Alberto García
Founder & Engineer · TaxID
Engineer with background in fintech and payments infrastructure. Built TaxID after encountering VIES integration pain firsthand while working on B2B SaaS billing — SOAP endpoints, silent errors, and two-second response times on a good day. Writes about EU VAT compliance, API design, and payments.
Articles by Alberto García
EU VAT Number Validation: The Complete Developer Guide (2026)
May 11, 2026 · 15 min read
VIES Downtime: How to Build a Resilient VAT Validation Flow
May 18, 2026 · 12 min read
B2B VAT Exemption in EU SaaS: What Your Billing System Must Do
May 25, 2026 · 12 min read
Vatstack vs TaxID: Which EU VAT API Is Right for You?
June 1, 2026 · 10 min read
German VAT Number Validation: USt-IdNr Format, VIES, and Common Errors
June 8, 2026 · 10 min read
DAC7 Compliance for Marketplace Platforms: VAT Verification Requirements
June 15, 2026 · 11 min read
Free EU VAT Validation APIs: Honest Comparison of Limits and Trade-offs
June 22, 2026 · 9 min read
EU VAT Validation in Node.js: Complete Tutorial with Error Handling
June 29, 2026 · 14 min read