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
Page 1 of 10
VAT ID Format by Country: Regex Patterns and Edge Cases
October 27, 2026 · 33 min read
Stripe EU VAT: Reverse Charge and VAT ID Setup Guide
October 26, 2026 · 21 min read
KYC Compliance API Compared: Which Fits Your Use Case
October 25, 2026 · 20 min read
SOAP to REST API Migration Guide for VIES Tax Validation
October 24, 2026 · 25 min read
Tax API for EU VAT Checks and Billing
October 23, 2026 · 22 min read
Company Number Lookup: A Developer's API Guide
October 22, 2026 · 20 min read
Austria VAT Rate: A Developer's Quick Reference
October 21, 2026 · 21 min read
EU Tax Validation: A Developer's Guide to VIES and APIs
October 20, 2026 · 23 min read
Tax ID Number Validation: A Practical Guide for SaaS
October 19, 2026 · 18 min read
REST API JSON Response Format: A Complete Reference
October 18, 2026 · 24 min read
Redis Cache Eviction: Policies and Tuning Guide
October 17, 2026 · 20 min read
Redis Caching Nodejs
October 16, 2026 · 22 min read
Public API vs Private API: A Practical Decision Framework
October 15, 2026 · 24 min read
Redis Cache Benefits for SaaS Billing and APIs
October 14, 2026 · 20 min read
VAT ID for UK: Format, Validation, and Brexit Rules
October 13, 2026 · 19 min read
VAT Validation Service Explained for B2B Developers
October 12, 2026 · 19 min read
How to Check VAT Number Online: Step-by-Step Guide
October 11, 2026 · 21 min read
VAT Compliance Software Compared — A 2026 Buyer's Guide
October 10, 2026 · 23 min read
VAT Rate Norway: A Practical Guide for Sellers
October 9, 2026 · 17 min read
E Verify Company Identification Number
October 8, 2026 · 2 min read
Eori Number Vat
October 7, 2026 · 25 min read
10 Company Data Enrichment API Options
October 6, 2026 · 32 min read
VAT No Validation Guide: Build Resilient Billing Checks
October 5, 2026 · 3 min read
Build an EU VAT Code Checker in Node.js
October 4, 2026 · 17 min read