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
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Free EU VAT Validation APIs: Honest Comparison of Limits and Trade-offs
May 8, 2026 · 9 min read
DAC7 Compliance for Marketplace Platforms: VAT Verification Requirements
May 1, 2026 · 11 min read
German VAT Number Validation: USt-IdNr Format, VIES, and Common Errors
April 24, 2026 · 10 min read
Vatstack vs TaxID: Which EU VAT API Is Right for You?
April 17, 2026 · 10 min read
B2B VAT Exemption in EU SaaS: What Your Billing System Must Do
April 10, 2026 · 12 min read
VIES Downtime: How to Build a Resilient VAT Validation Flow
April 3, 2026 · 12 min read
Netherlands VAT Number Validation: BTW-nummer Format, VIES, and Code Examples
March 27, 2026 · 10 min read
Polish VAT Number Validation: NIP Format, VIES, and Code Examples
March 20, 2026 · 9 min read
Spanish VAT Number Validation: NIF Format, VIES, and Code Examples
March 13, 2026 · 11 min read
Italian VAT Number Validation: Partita IVA Format, VIES, and Code Examples
March 6, 2026 · 10 min read
French VAT Number Validation: TVA Intracommunautaire Format, VIES, and Code Examples
February 27, 2026 · 10 min read