Developer Tools
VAT Engine
Last updated 2026-08-24 · benchmark measured 2026-08-24 — deterministic & reproducible
EU VAT calculation and compliance API for developers, synced with official TEDB rates.
Is VAT Engine production-ready?
Legit.Show scores VAT Engine 100 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on VAT Engine (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Accessibility; its weakest is Performance. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 99/100
- Accessibility — 100/100
- Security — 100/100
- Privacy — 100/100
- Reliability — 100/100
- Standards — 100/100
- Discoverability — 100/100
What we measured
- Security headers present: CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 1155 ms to first byte.
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- Has a reachable privacy policy.
- Sets cookies / loads scripts with no consent prompt.
- Discoverable: structured data, sitemap, OpenGraph image, canonical URL.
Who built it
Vasyl Kyryliuk · product account @VAT_Engine
Who it's for
Ecommerce developers · Finance teams · Merchants with EU transactions · Developers shipping products · OSS/IOSS filers
Pricing
Free during alpha; pricing model to be announced
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