Business & Finance
GoodVat
Last updated 2026-08-22 · benchmark measured 2026-08-22 — deterministic & reproducible
Sales tax, VAT, and GST calculation API for online sellers.
Is GoodVat production-ready?
Legit.Show scores GoodVat 89 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on GoodVat (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Privacy; its weakest is Security. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 98/100
- Accessibility — 97/100
- Security — 45/100
- Privacy — 100/100
- Reliability — 100/100
- Standards — 92/100
- Discoverability — 90/100
What we measured
- Security headers present: X-Content-Type-Options, Referrer-Policy.
- No Content-Security-Policy and no HSTS.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 144 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.
Who built it
product account @GoodVat_
Who it's for
E-commerce sellers · Shopify users · WooCommerce users · Online retailers · Developers
Pricing
$5 a month for Address Normalization API with unlimited requests; custom enterprise pricing available
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