Why a VAT API Needs More Than a Rate Lookup
The percentage is the easy part. Production VAT systems also need product context, dates, transaction evidence, and reproducible decisions.
Sep 3, 20265 min read8
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EU VAT Engineering
Technical deep dives into EU VAT infrastructure for developers: rate data, tax classes, date-aware calculations, transaction evidence, OSS/IOSS workflows, ecommerce integrations, and the engineering decisions behind VAT Engine.