io.github.89rat/openfang-rail

Tools

• aba_routing_check

  Validate a US ABA routing number by its (3,7,1)-weight mod-10 checksum.

  shallow
• abn_check

  Validate an Australian Business Number by its mod-89 checksum (11 digits).

  shallow
• batch_validate

  Run up to 50 identifier checks (IBAN / LEI / VAT / UK company / SWIFT / ABA / EIN / IFSC / ABN / Luhn / ISBN / E.164 / SEDOL) in ONE paid call: one voucher, one settlement, one signed XDR-1 receipt covering the whole batch. Flat price regardless of count — at 50 items, 10x cheaper per check than single calls.

  shallow
• company_number_format

  Validate UK Companies House number format (not existence).

  shallow
• e164_check

  Validate a phone number's E.164 structure (+CC, 8-15 digits, no leading zero).

  shallow
• ein_format_check

  Validate US Employer Identification Number FORMAT (NN-NNNNNNN). No public EIN checksum exists.

  shallow
• iban_check

  Validate an IBAN by ISO 13616 structure and MOD-97-10 checksum (offline, no bank lookup).

  shallow
• ifsc_check

  Validate an Indian IFSC by RBI structure (BBBB0NNNNNN; 5th character always 0).

  shallow
• isbn_check

  Validate an ISBN-10 (mod-11) or ISBN-13 (1,3-weight mod-10) checksum.

  shallow
• lei_check

  Validate a Legal Entity Identifier (ISO 17442 + ISO 7064 MOD-97-10 check digits).

  shallow
• luhn_check

  Validate any 12-19 digit number by the Luhn mod-10 algorithm (card-style checksums). Never submit real card numbers.

  shallow
• rent_deposit_guard

  Rental deposit safety: IBAN checksum + property/deposit country alignment + pre-viewing flag.

  shallow
• rental_listing_risk

  Explainable rental-fraud risk score over listing red-flag signals (deterministic rule engine).

  shallow
• rental_verdict

  One combined, signed rental due-diligence verdict: deposit + landlord entity (LEI/company) + listing risk.

  shallow
• sedol_check

  Validate a UK/Ireland security identifier by its (1,3,1,7,3,9)-weight mod-10 checksum.

  shallow
• settlement_history_check

  On-chain counterparty check: USDC transfers SENT and RECEIVED by an address over the last ~48h of Base blocks (counts, volumes, sample tx hashes). Preflighted so you never pay during an RPC outage.

  shallow
• swift_bic_check

  Validate a SWIFT/BIC code by ISO 9362 structure (bank code, ISO country, location, optional branch).

  shallow
• vat_mod97_check

  Structural VAT check (BE mod-97 family).

  shallow
• vendor_onboarding_pack

  Screen a vendor's identifiers in ONE signed call: IBAN + LEI + VAT + UK company number — each checksummed, one verdict, one receipt. Half the price of four single checks.

  shallow

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