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
April 3, 2026 · 12 min read
B2B VAT Exemption in EU SaaS: What Your Billing System Must Do
April 10, 2026 · 12 min read
Vatstack vs TaxID: Which EU VAT API Is Right for You?
April 17, 2026 · 10 min read
German VAT Number Validation: USt-IdNr Format, VIES, and Common Errors
April 24, 2026 · 10 min read
DAC7 Compliance for Marketplace Platforms: VAT Verification Requirements
May 1, 2026 · 11 min read
Free EU VAT Validation APIs: Honest Comparison of Limits and Trade-offs
May 8, 2026 · 9 min read
EU VAT Validation in Node.js: Complete Tutorial with Error Handling
May 14, 2026 · 14 min read
French VAT Number Validation: TVA Intracommunautaire Format, VIES, and Code Examples
February 27, 2026 · 10 min read
Italian VAT Number Validation: Partita IVA Format, VIES, and Code Examples
March 6, 2026 · 10 min read
Spanish VAT Number Validation: NIF Format, VIES, and Code Examples
March 13, 2026 · 11 min read
Polish VAT Number Validation: NIP Format, VIES, and Code Examples
March 20, 2026 · 9 min read
Netherlands VAT Number Validation: BTW-nummer Format, VIES, and Code Examples
March 27, 2026 · 10 min read
EU VAT Rates by Country 2026: The Complete Guide
May 24, 2026 · 10 min read
Germany VAT Rates 2026: Standard, Reduced & Zero-Rated Explained
May 25, 2026 · 8 min read
France TVA Rates 2026: Complete Guide for Businesses and Developers
May 26, 2026 · 8 min read
VAT for Developers: The Complete 2026 Implementation Guide
May 27, 2026 · 12 min read
How to Use a VAT Rates API: Developer Integration Guide
May 28, 2026 · 10 min read
SaaS VAT Compliance: A Developer's Complete Guide for EU Markets
May 29, 2026 · 14 min read
What is a VAT Validation API and Why Your SaaS Needs It
June 2, 2026 · 12 min read
How to Integrate a VAT Number Check API into Your Checkout Flow
June 3, 2026 · 10 min read
Stripe EU VAT: How to Validate Tax IDs Before Charging Customers
June 4, 2026 · 9 min read
EU VAT Validation API: A Comprehensive Guide for B2B SaaS
June 5, 2026 · 13 min read
Automating B2B Invoice VAT Validation for Global Sales
June 6, 2026 · 9 min read
Choosing the Best VAT API: Comparison of Features and Pricing
June 9, 2026 · 10 min read
Validate VAT Numbers in 31 Countries: A Deep Dive into the TaxID API
June 10, 2026 · 11 min read
B2B vs B2C EU VAT for Digital Services: The Developer's Decision Guide
June 4, 2026 · 9 min read
Reverse Charge VAT for SaaS: A Developer's Implementation Guide
June 5, 2026 · 10 min read
The Benefits of Real-time VAT Number Verification for SaaS Businesses
June 6, 2026 · 9 min read
EU VAT Rules for Digital Services: OSS, MOSS, and What Changed in 2021
June 7, 2026 · 11 min read
How to Validate EU VAT Numbers with VIES API (and Why Most Teams Use a Wrapper)
June 8, 2026 · 12 min read
EU VAT Invoice Requirements for SaaS: The 16-Field Article 226 Checklist
June 9, 2026 · 9 min read
Bulk VAT Validation: Complete Developer Guide for ERP Imports and Re-validation Jobs
June 10, 2026 · 11 min read
WooCommerce EU VAT Validation: Beyond Format Checks with Real VIES Validation
June 11, 2026 · 10 min read
Python Async VAT Validation with httpx and asyncio (FastAPI & Django Guide)
June 12, 2026 · 9 min read