{"datasets":[{"dataset_id":"util-checkdigit","description":"Generic check-digit service: '<luhn|verhoeff|damm|mod97-10|mod11-2>:<verify|compute>:<digits>'","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"Luhn / Verhoeff / Damm / ISO 7064 (MOD 97-10, MOD 11-2)","deterministic":true},{"dataset_id":"util-container","description":"ISO 6346 shipping container number validation and parse — owner code, equipment category, serial, check digit","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"ISO 6346","deterministic":true},{"dataset_id":"util-oui","description":"MAC address vendor (OUI) lookup — accepts a full MAC or prefix, e.g. '00:00:5E' or '00005E005300'; flags locally-administered/randomised addresses","price_usdc":"0.002","scheme":"exact","network":"eip155:8453","kind":"bundled","standard":"IEEE OUI registry (MA-L)","deterministic":false,"data_source":"Wireshark manuf database (IEEE-derived), via npm oui-data"},{"dataset_id":"dvsa-mot-analytics","description":"Aggregate MOT failure analysis by vehicle age, mileage, fuel type and make — top defects and advisory items per cohort","price_usdc":"0.02","scheme":"exact","network":"eip155:8453","kind":"cached"},{"dataset_id":"util-cusip","description":"CUSIP validation and parse — issuer/issue split, mod-10 check digit with *, @, # handling","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"ANSI X9.6","deterministic":true},{"dataset_id":"util-iban","description":"IBAN validation — per-country length (SWIFT IBAN Registry) plus MOD 97-10 check digits, with country/BBAN parse","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"ISO 13616 / ISO 7064 MOD 97-10","deterministic":true},{"dataset_id":"util-tz","description":"IANA timezone info — 'zone:Europe/London[:2026-01-15]' (UTC offset, DST status, abbreviation) or 'country:GB' (zone list)","price_usdc":"0.002","scheme":"exact","network":"eip155:8453","kind":"bundled","standard":"IANA tzdb; offsets from runtime ICU","deterministic":false,"data_source":"IANA tzdb zone1970.tab + Node ICU tzdata"},{"dataset_id":"util-gtin","description":"GTIN-8/12/13/14 (EAN/UPC) validation, plus 'compute:<digits>' check-digit calculation","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"GS1 General Specifications (mod-10)","deterministic":true},{"dataset_id":"util-locode","description":"UN/LOCODE lookup — 'GBLON' or 'GB:LON'; place name, subdivision, decoded function classifiers (port/rail/road/airport…), status, coordinates","price_usdc":"0.002","scheme":"exact","network":"eip155:8453","kind":"bundled","standard":"UNECE Recommendation 16 (UN/LOCODE)","deterministic":false,"data_source":"UNECE UN/LOCODE via datasets/un-locode"},{"dataset_id":"util-currency","description":"ISO 4217 currency lookup by alpha or numeric code — 'GBP' or '826'; name, minor units, using entities, withdrawn-code history","price_usdc":"0.002","scheme":"exact","network":"eip155:8453","kind":"bundled","standard":"ISO 4217","deterministic":false,"data_source":"datasets/currency-codes (ISO 4217 published list)"},{"dataset_id":"util-lei","description":"LEI validation — 20-character Legal Entity Identifier, MOD 97-10 check digits","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"ISO 17442","deterministic":true},{"dataset_id":"util-tyre-size","description":"ISO metric tyre size code parser (e.g. '205/55R16 91V') — dimensions, load index kg, speed rating km/h","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"ISO metric tyre code (ETRTO)","deterministic":true},{"dataset_id":"util-uk-plate","description":"UK registration plate format validation and age decode across current, prefix, suffix and dateless eras","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"DVLA registration mark formats (public rules)","deterministic":true},{"dataset_id":"util-issn","description":"ISSN validation — 8-character serial identifier, weighted mod-11 check character","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"ISO 3297","deterministic":true},{"dataset_id":"util-aba-rtn","description":"US ABA routing transit number validation — 3-7-1 weighted mod-10 check digit","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"ABA routing number scheme","deterministic":true},{"dataset_id":"util-geo","description":"Great-circle math: 'distance:lat1,lon1,lat2,lon2' (km/mi/nm + bearing) and 'destination:lat,lon,bearing,km'","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"Haversine, spherical earth (mean radius 6371.0088 km)","deterministic":true},{"dataset_id":"util-mot-due","description":"First MOT due date from a GB first-registration date (YYYY-MM-DD), with 40-year historic exemption flag","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"GB MOT rules (gov.uk) / Road Vehicles Regulations 2018","deterministic":true},{"dataset_id":"util-vin","description":"VIN structural validation, North American check digit, WMI region/manufacturer, and model year decode (ISO 3779/3780)","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"ISO 3779 / ISO 3780 / FMVSS 565","deterministic":true},{"dataset_id":"util-isbn","description":"ISBN-10/ISBN-13 validation with bidirectional conversion","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"ISO 2108","deterministic":true},{"dataset_id":"util-card","description":"Payment card number Luhn validation and network detection by public prefix/length rules (not an issuer BIN lookup)","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"ISO/IEC 7812 (Luhn) + public network range rules","deterministic":true},{"dataset_id":"util-geohash","description":"Geohash utilities: 'encode:lat,lon[,precision]' and 'decode:<hash>' with bounding box","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"Geohash (public domain, Niemeyer 2008)","deterministic":true},{"dataset_id":"dvsa-mot","description":"DVSA MOT test history, failure rates, and advisory items by UK vehicle registration","price_usdc":"0.005","scheme":"exact","network":"eip155:8453","kind":"cached"},{"dataset_id":"util-imo","description":"IMO ship identification number validation — 7-digit weighted check digit","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"IMO ship identification number scheme","deterministic":true},{"dataset_id":"util-isin","description":"ISIN validation and parse — country prefix, NSIN, Luhn check digit","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"ISO 6166","deterministic":true},{"dataset_id":"util-airport","description":"Airport lookup by IATA or ICAO/ident code — 'LHR', 'EGLL', 'iata:LHR', 'icao:EGLL'; name, coordinates, elevation, country, scheduled service","price_usdc":"0.002","scheme":"exact","network":"eip155:8453","kind":"bundled","standard":"IATA 3-letter / ICAO 4-letter airport codes","deterministic":false,"data_source":"OurAirports (public domain)"},{"dataset_id":"util-sedol","description":"SEDOL validation — 7-character LSE identifier, weighted mod-10 check digit","price_usdc":"0.001","scheme":"exact","network":"eip155:8453","kind":"computed","standard":"LSE SEDOL","deterministic":true}],"count":26}