openfang-rail

The 57 tools it listed

"Read only" and "Changes data" are the server's own marks. Underlined parameters are required.

1. aba_routing_checkRead only

   ABA Routing Number Check (US Fedwire/ACH)

   Validate a US ABA routing number by its (3,7,1)-weight mod-10 Fedwire/ACH checksum. Catches mistyped or invalid routing numbers before payment; does NOT prevent transfer reversals or establish the recipient. Returns signed XDR-1 receipt.

   aba_routing routing

2. abn_checkRead only

   ABN Check (Australia)

   Validate an Australian Business Number by its mod-89 checksum (11 digits). Required before invoice payment to Australian contractors. Returns signed XDR-1 receipt.

   abn

3. aci_trust_lookupRead only

   ACI-1 Agent Credit & Trust Rating Lookup

   Deterministic agent trust scoring and non-custodial unsettled exposure advisory evaluation (ACI-1). Quantifies counterparty grade (T0-T3), historical success rate, and maximum suggested settlement exposure without uncollateralized lending or float.

   subject role settled_calls_90d settlement_success_rate dispute_loss_rate first_seen_days sponsor_attestations

4. africa_supplier_checkRead only

   Africa Supplier Verification Pack

   One call, one receipt: Kenya KRA PIN + settlement IBAN + SWIFT/BIC. Deterministic structural checks for East African trade corridors.

   kra_pin iban swift

5. balance_checkRead only

   Base Account Balance Snapshot

   Native ETH and one ERC-20 balance (default USDC) for an address on Base, raw and formatted. Result carries a signed receipt.

   address token_address

6. batch_validateRead only

   Batch Identifier Checks (up to 50 items)

   Validate up to 50 tax, bank and legal-entity identifiers (IBAN, LEI, VAT, SWIFT/BIC, ABA routing, EIN, IFSC, ABN, GSTIN, ISIN, SEDOL, EAN-13, ISBN, E.164 or Luhn checks) in one batch request. Each result states its scope. Compare the current batch quote with individual quotes; savings depend on batch size.

   items

7. block_infoRead only

   Base Block Header Info

   Base chain (8453) block header data: block number, timestamp, transaction count and base fee for any block. Result carries a signed receipt.

   block

8. calculate_fx_savingsRead only

   Calculate cross-border FX savings

   Arithmetic comparison of a USDC settlement against comparator percentages YOU supply (bank_fee_pct, custodial_fee_pct) across 14 global fiat currencies. The comparators are assumptions, not measurements of any bank or provider; no protocol fee is deducted on this rail.

   amount_usdc amount_usd amount currency

9. check_priceRead only

   Zero-cost price index and gasless x402 quote generator

   Instant zero-cost pricing hook for code402 tools. Returns the live price, an opaque quote_id, TTL, and the settlement URL. Free forever — feeds the price index into an agent planner's context without creating any financial obligation. If the planner acts on the quote, it hits the settlement_url with an EIP-3009 signed voucher.

   tool amount

10. china_supplier_checkRead only

    China Supplier Verification Pack

    One call, one receipt: USCC + settlement IBAN + SWIFT/BIC for a Chinese counterparty. Deterministic structure and checksum validation with explicit scope per identifier.

    uscc iban swift

11. clean_markdown_scraperRead only

    Clean markdown scraper

    Fetch a public web page by URL (or take your HTML) and return Markdown plus headings. No JavaScript rendering. Result carries a signed receipt.

    url html

12. cnpj_checkRead only

    Brazil CNPJ Check (Cadastro Nacional da Pessoa Jurídica)

    Validate Brazilian corporate tax ID (CNPJ) with official dual mod-11 check digits. Required for Brazilian B2B payments, PIX verification, and vendor due diligence. Returns signed XDR-1 receipt.

    cnpj

13. company_number_formatRead only

    UK Company Number Format Check

    Check supported UK company-number syntax. No Companies House lookup, entity-existence check or active-registration verification.

    company_number

14. context_distillRead only

    Context distill

    Deterministic text digest: word count, top-5 most frequent meaningful words (stop words excluded), first sentence, and a keccak-256 content hash. Pure function — no external calls, no ML.

    text

15. create_b2b_invoiceRead only

    Create B2B contractor invoice

    Create a merchant-direct Base token invoice. New automated payments require a durable EOA authorization journal and a configured provider. No active protocol fee; no generic bank-wire authority, independent delivery or contract-wallet guarantee.

    amount_usdc merchant client_name memo referrer

16. crypto_tickerRead only

    Crypto ticker

    Spot USD price for a crypto ticker or CoinGecko id from public price feeds, cached 60 s. Result carries a signed receipt.

    symbol

17. csp_commitment_createRead only

    CSP-1 Confidential Terms Commitment & Stealth Announce

    Generates cryptographic commitments to commercial terms and formats ERC-5564 dual-key stealth address announcements (CSP-1) for invoice-scale B2B payments on Base L2.

    invoice_object salt_hex stealth_recipient ephemeral_pubkey view_tag

18. e164_checkRead only

    E.164 International Phone Check

    Validate a phone number's E.164 structure (+CC, 8-15 digits, no leading zero) before dispatching SMS alerts or OTPs. Returns signed XDR-1 receipt.

    phone

19. ean13_checkRead only

    EAN-13 check

    Validate an EAN-13 barcode by its mod-10 checksum (odd positions x1, even positions x3).

    code

20. ein_format_checkRead only

    EIN Format Check (US)

    Validate US Employer Identification Number FORMAT (NN-NNNNNNN). Use during US business counterparty KYB verification. Returns signed XDR-1 receipt.

    ein

21. erc20_balanceRead only

    ERC-20 Token Balance Snapshot

    Raw and formatted ERC-20 balanceOf for an address on Base, with decimals read from the token. Result carries a signed receipt.

    address token_address decimals

22. fx_spot_price_oracleRead only

    FX spot price oracle

    Reference fiat and stablecoin conversion rate from a static table, not a live feed. Returns rate and inverse; result carries a signed receipt.

    base quote

23. get_b2b_invoiceRead only

    Get B2B invoice status

    Read public recorded invoice status and held-operation next action. Private records and credentials require a separate fresh read-only signature from the durably confirmed original payer; URLs and payment vouchers grant no read authority.

    invoice_id

24. gstin_checkRead only

    GSTIN check (India)

    Validate an Indian GSTIN by structure (2-digit state code + PAN + entity code + 'Z') and its mod-36 cross-sum checksum.

    gstin

25. gulf_supplier_checkRead only

    Gulf Supplier Verification Pack

    One call, one receipt: UAE TRN + settlement IBAN + SWIFT/BIC. Deterministic structure validation for Gulf trade corridors, scope stated per identifier.

    trn iban swift

26. iban_checkRead only

    IBAN Structure and Checksum Check

    Validate IBAN structure and MOD-97 checksum. Does not establish account ownership, beneficiary identity or absence of fraud.

    iban

27. ifsc_checkRead only

    IFSC Format Check

    Check the 11-character Indian IFSC format, including its fifth-character zero. No bank-branch registry lookup or account verification.

    ifsc

28. india_supplier_checkRead only

    India Supplier Verification Pack

    One call, one receipt: GSTIN + PAN + UPI VPA + IFSC for an Indian counterparty. Four deterministic structural checks, each stating its own scope. Built for cross-border procurement where the buyer is an agent that cannot open an INR account.

    gstin pan vpa ifsc

29. instant_json_schema_verifierRead only

    Instant JSON schema verifier

    Validate JSON data payloads against schema definitions. Preflighted for agent tool call pipelines.

    data schema

30. isin_checkRead only

    ISIN check

    Validate an ISIN (ISO 6166) by structure and Luhn mod-10 check digit over the A=10…Z=35 converted string.

    isin

31. iso20022_to_x402_intentRead only

    BAP-1 ISO 20022 to x402 Intent Mapper

    Translates validated ISO 20022 payment instructions (pain.001 / pacs.008) into deterministic EIP-712 payment-intent templates for autonomous x402 Base L2 USDC settlement (BAP-1). Zero custody, no fiat leg.

    instruction counterparty_wallet_directory seller_pay_to_address chain_id

32. iso20022_validateRead only

    BAP-1 ISO 20022 Banking Message Validator

    Deterministic validation for institutional ISO 20022 XML/JSON payment messages (pain.001 credit transfer, pacs.008 customer credit, camt.053 bank statement) with XML DOCTYPE security guards, BigInt CtrlSum decimal sums, and ISO 13616 / 9362 / 17442 checksums (BAP-1).

    raw_payload format namespace transactions

33. iso4217_currency_checkRead only

    ISO 4217 Currency Standard Check & Settlement Mapping

    Validate 3-letter alpha or 3-digit numeric currency codes against ISO 4217 standard. Returns minor unit decimals, symbol, official name, countries, and onchain Base L2 settlement token mapping (USDC/EURC).

    currency

34. japan_corp_checkRead only

    Japan Corporate Number Check (法人番号 - Houjin Bangou)

    Validate 13-digit Japanese Corporate Number assigned by the National Tax Agency using Mod-9 check digit algorithm. Required for Japanese B2B SaaS and enterprise billing. Returns signed XDR-1 receipt.

    number

35. japan_supplier_checkRead only

    Japan Supplier Verification Pack

    One call, one receipt: 13-digit Corporate Number + settlement IBAN for a Japanese counterparty. Deterministic check digits, explicit scope.

    corporate_number iban

36. kra_pin_checkRead only

    Kenya KRA PIN Check (Kenya Revenue Authority)

    Validate Kenyan Revenue Authority Tax PIN structure (A/P followed by 9 digits and checksum character). Required for M-Pesa B2B disbursement and Kenyan remote agency invoicing. Returns signed XDR-1 receipt.

    pin

37. latam_supplier_checkRead only

    LatAm Supplier Verification Pack

    One call, one receipt: Brazilian CNPJ + Mexican RFC + settlement IBAN. Deterministic checks for the two largest LatAm corridors in one paid call.

    cnpj rfc iban

38. lei_checkRead only

    LEI Structure and Checksum Check

    Validate a 20-character LEI and MOD-97 check digits. No registry lookup, active-registration check or legal-entity identity verification.

    lei

39. pan_format_checkRead only

    India Permanent Account Number (PAN) Format Validator

    Deterministic validation of Indian Permanent Account Number (PAN) issued by CBDT / Income Tax Department with 4th-character entity type classification (Individual, Company, Firm, Trust, HUF).

    pan

40. pre_disbursement_guardRead only

    Counterparty Risk Indicators

    Check supplier tax and bank identifiers (IBAN, LEI, EU VAT, UK company number), domain-age evidence and country mismatch signals before vendor payment. Requires a preceding receipt hash. An advisory result is not verified identity, fraud clearance or authorization to release funds.

    recipient_iban vendor_domain declared_country company_number lei vat_number physical_address invoice_amount_usd prev_receipt_hash

41. receipt_verifyRead only

    Verify any XDR-1 receipt — free, stateless, any issuer

    Verifies a signed XDR-1 receipt from ANY x402 service: recomputes the canonical digest and recovers the signer, then compares it to the declared signer. Free forever — no account, no quota, no storage (stateless). A valid receipt proves the signer signed that tool call at that timestamp; it does NOT prove funds moved or any business claim.

    receipt

42. reconcileRead only

    Settlement Reconciliation (ISO 20022 + NACHA)

    Deterministic reconciliation verdicts: pain.001/pacs.008 instructions vs camt.053 statements or NACHA ACH files, matched by end-to-end id and BigInt-exact amounts. Verdicts: SETTLED, UNPAID, AMOUNT_MISMATCH, DUPLICATE_PAYMENT, plus unmatched statement entries. Facts computed from the documents only — never inferred, never guessed. Returns signed XDR-1 receipt.

    pain001_xml pacs008_xml camt053_xml nacha_ach

43. rent_deposit_guardRead only

    Rental Deposit Risk Indicators

    Check deposit IBAN checksum and supplied country/viewing indicators. Rule-based risk signals only; no ownership verification, escrow protection or guarantee against theft.

    deposit_iban property_country deposit_before_viewing

44. rental_listing_riskRead only

    Rental Listing Risk & Fraud Engine

    Explainable tenancy fraud risk score evaluated across irreversible payment demands, off-platform pressure, stolen photos, and advance wire signals. Deterministic rule engine.

    payment_irreversible contact_moves_offplatform landlord_abroad_cannot_meet no_in_person_viewing urgency_pressure photos_reverse_image_hit identity_docs_requested_upfront price_below_market_pct

45. rental_verdictRead only

    Rental Risk Summary

    Combine deposit identifier checks with supplied country, viewing and listing indicators. Does not verify landlord identity, property ownership or safety of payment.

    deposit_iban property_country deposit_before_viewing landlord_lei landlord_company_no payment_irreversible contact_moves_offplatform no_in_person_viewing urgency_pressure price_below_market_pct

46. rfc_checkRead only

    Mexico RFC Check (Registro Federal de Contribuyentes)

    Validate Mexican SAT RFC corporate (12-char) or individual (13-char) tax code and homoclave. Required for Mexican contractor invoicing and SPEI cross-border settlements. Returns signed XDR-1 receipt.

    rfc

47. sanctions_address_screenRead only

    Address Snapshot & Operator Policy Comparison

    Screen an EVM wallet address or ISO country code by exact comparison against the identified sanctions address snapshot and existing operator block policy. Current legal status is unknown; is_sanctioned is null. valid=false preserves a local block; valid=null never authorizes a transaction. Names are not screened. Missing, stale or incomplete evidence is explicit; no UN/EU coverage or sanctions clearance is provided.

    subject

48. sedol_checkRead only

    SEDOL Check (UK/Ireland Securities)

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

    sedol

49. simulate_spend_sentinelRead only

    Simulate Spend Sentinel policy defense and delivery predicates

    Run synthetic prompt-injection halts, malformed-delivery rejection, and bounded-spend eligibility examples under AP2 envelopes. No live escrow, refund, facilitator or chain action occurs.

    scenario

50. swift_bic_checkRead only

    SWIFT/BIC Structure Check

    Check SWIFT/BIC structure and country code. Does not establish bank existence, active routing or beneficiary identity.

    bic

51. token_contract_riskRead only

    Token contract facts (Base)

    Deterministic Base contract facts: ERC-20 metadata, proxy slots, owner(), privileged-function selectors and flags. Not a safety verdict. Result carries a signed receipt.

    address chain

52. tx_activityRead only

    Tx Activity & Contract Detection

    Outbound transaction count (nonce) and contract-or-EOA check for an address on Base. Result carries a signed receipt.

    address

53. uae_trn_checkRead only

    UAE Tax Registration Number (TRN) Format Validator

    Deterministic validation of UAE 15-digit Tax Registration Number (TRN) issued by the Federal Tax Authority (FTA) for VAT purposes.

    trn

54. upi_vpa_checkRead only

    India UPI Virtual Payment Address (VPA) Validator

    Deterministic structural validation of an Indian UPI Virtual Payment Address (VPA / handle): local-part syntax, handle against a LOCAL list of accredited PSP handles (okhdfcbank, okaxis, paytm, ybl and others), and length rules. It is NOT a live registry lookup: no request leaves this worker, and an unlisted handle is reported as unrecognised rather than nonexistent. This does not establish that the VPA is registered, reachable or owned by anyone.

    vpa

55. uscc_checkRead only

    China USCC Check (Unified Social Credit Code / 统一社会信用代码)

    Validate 18-character Chinese business registration and tax code using GB 32100-2015 ISO 7064 Mod-31-3 checksum. Required for B2B supply chain trade with Chinese manufacturers. Returns signed XDR-1 receipt.

    uscc

56. vat_mod97_checkRead only

    Belgian VAT MOD-97 Check

    Check the supported Belgian VAT format and MOD-97 checksum. BE only; not VIES, other EU VAT formats, registration status or tax compliance.

    vat_number

57. vendor_onboarding_packRead only

    Vendor Identifier Check Pack

    Check supplied IBAN, LEI, Belgian VAT and UK company-number fields in one result. Structural checks only; no ownership, registry or fraud clearance.

    iban lei vat_number company_number