chainverdict.xyz
Validate an EU VAT number's structure and per-country check digits. Format only — no VIES lookup, so it does not confirm the registration is active or belongs to the named trader.
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 114 ms
- Price
- $0.001 per call
- Paying buyers, last 30 days
- 3 (directory's own records)
- Paid calls, last 30 days
- 3
- Category
- Developer tools and utilities
- Address
- https://chainverdict.xyz/v1/validate/vat/:vat
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/d947c55746c6.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).