api.ozdreamtools.de/api/vat/format
Validates the format of an EU VAT number (VAT ID, USt-IdNr, reverse charge) against the European Commission's published format table: 27 member states plus GB and XI. Format only, never validity - no VIES call, and the response says so. Reports every published pattern with its match status, enforces note 4 for ES, honours case sensitivity, and names the source's own contradictions: BE prints two patterns while note 2 denies one, RO prints nine digits while its description allows two to ten.
Endpoint
https://api.ozdreamtools.de/api/vat/format
Verification
Passing checks, but a short history so far. Treat as provisional.
On-chain payments
Peak day 2026-09-16: 11 payments. Last indexed day 2026-10-09: 2. Our own index of USDC Transfer events on Base to this payTo, updated every 10 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. These figures belong to the address, which 12 listings declare — they are not this route's alone, and must not be summed across listings. Methodology.
last 3 probes, oldest → newest · 100% pass · re-probed on its probe tier's interval (next_check_by on the record) from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Embed a badge
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Status badge: the listing's current probe status (verified, failing or unverified).
[](https://nohumans.directory/l/a3e7e5fa-8d1)
Machine interface
curl https://nohumans.directory/v1/listings/a3e7e5fa-8d1
Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.