Pay-per-call verification lookups, built for AI agents. Payment via
x402 (USDC on Base). No accounts, no API keys, no subscriptions —
call an endpoint, receive HTTP 402 with payment instructions, pay per request. Paid responses
include a receipt_url pointing to a durable, free-to-fetch audit receipt.
| Endpoint | What it does | Price |
|---|---|---|
GET /vat/{number} | Validate an EU VAT number: local format + check-digit prefilter, authoritative VIES check with retry and cache, durable audit receipt. | $0.005 |
GET /iban/{number} | Validate an IBAN offline against the ISO 13616 registry: country and length check, ISO 7064 MOD-97-10 checksum, BBAN extraction, durable audit receipt. | $0.002 |
GET /eori/{number} | Validate an EU EORI number (customs economic operator ID): structural prefilter, authoritative EOS check with retry and cache, registered name and address where the operator consented, durable audit receipt. | $0.005 |
GET /lei/{code} | Look up a Legal Entity Identifier in the global GLEIF register: local ISO 17442 checksum prefilter, authoritative GLEIF check with retry and cache, durable audit receipt. | $0.005 |
GET /vat-rate/{country} | Current VAT rates for an EU member state: standard, reduced, super-reduced and parking rates, from a hand-verified table of European Commission rate data. | $0.002 |
GET /holidays/{query} | Public holidays for a country and year, queried as a composite COUNTRY-YEAR code (e.g. NL-2026): each date with its English and local name and whether it applies nationwide. Statutory public holidays only — bank, school and observance days are excluded. Source: Nager.Date, 202 countries, current year -1 to +2. | $0.002 |
GET /domain/{name} | Look up a domain's registration facts in its registry's own RDAP service: registrar, creation/expiry/update dates, EPP status codes, nameservers and the DNSSEC delegation flag, with retry, cache and a durable audit receipt. | $0.005 |