Developer Tools

VAT Engine

Last updated 2026-08-24 · benchmark measured 2026-09-27 — deterministic & reproducible

EU VAT calculation and compliance API for developers, synced with official TEDB rates.

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To cite this score: legit.show/s/vat-engine-app/2026-09-27. That address never changes; this page moves with every re-measure.

Legit.Show scored VAT Engine 98/100 on 2026-09-27, measured across all 7 frames from its public surface. legit.show/s/vat-engine-app/2026-09-27

Is VAT Engine production-ready?

Legit.Show scores VAT Engine 98 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 Security; its weakest is Performance. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

• Performance — 92/100
• Accessibility — 96/100
• Security — 100/100
  How this compares across the catalogue: The Web Security Baseline
• Privacy — 100/100
  How this compares across the catalogue: The Privacy Gap
• 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 — 1160 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

Sources and updates

Description

Taken from vat-engine.app's own website on 2026-08-24.

Operator

VAT Engine, as named in vat-engine.app's terms, privacy page or footer.

Benchmark

Measured by Legit.Show from the live site, the way any visitor sees it — with no access to its code or accounts. Same method for every product, and no AI decides the score. Last checked 2026-09-27.

Put together from public information, without VAT Engine's involvement. If anything here is wrong, tell us and a person will check it.

Visit VAT Engine → · Alternatives to VAT Engine → · How this was measured →