code402

active

Offline deterministic checks (no ML, no scraping) for business identifiers and rental due-diligence, paid per call via x402 (gasless EIP-3009 USDC on Base). Checksum-verifiable (IBAN, LEI, VAT, ABA, ISBN, SEDOL…) vs format-only (EIN, IFSC, SWIFT/BIC…) — every response returns a scope field. Non-custodial, signed receipts. First 0 calls/day free.

Chain infraBasex402 v2exacthcrb.in ↗︎
Transactions · 30d
0
Volume · 30d
$0.00
Unique buyers · 30d
0
Uptime · 30d
100.0%
Latency p50
19ms
Reported calls · 30d
1

Endpoints (67 live)

  • POST /v1/tools/settlement-history-check/call — ON-CHAIN COUNTERPARTY PROOF: Audit USDC transfers sent and received by any EVM address over the last ~48h of Base blocks. Preflighted so you never pay during an RPC outage. (0.02 USDC on Base)
  • POST /v1/tools/iban_check/call — code402 iban-check (0.025 USDC on Base)
  • POST /v1/tools/ean13_check/call — Validate an EAN-13 barcode by its mod-10 checksum (odd positions x1, even positions x3). (0.005 USDC on Base)
  • POST /v1/tools/quote_3rd_party_insurance/call — Compare insurance quotes from underwriters registered in the open referral directory (coverage for transaction, smart-contract, trade-credit, and BEC wire-fraud risk). Returns zero quotes until an underwriter has self-registered; this gateway never underwrites risk itself. (0.005 USDC on Base)
  • POST /v1/tools/e164_check/call — 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. (0.01 USDC on Base)
  • POST /v1/tools/ein_format_check/call — Validate US Employer Identification Number FORMAT (NN-NNNNNNN). Use during US business counterparty KYB verification. Returns signed XDR-1 receipt. (0.005 USDC on Base)
  • POST /v1/tools/rent_deposit_guard/call — Check deposit IBAN checksum and supplied country/viewing indicators. Rule-based risk signals only; no ownership verification, escrow protection or guarantee against theft. (20000 on Base)
  • POST /v1/tools/assured_quote/call — Premium quote for high-stakes settlement assurance: 20 bps standard (15/10 bps at committed annual volumes), $25 min / $25,000 cap, +5 bps POD adder. T0 counterparties refused outright; above the tier advisory cap the lane ESCALATES (POD-1 delivery proof + registered-underwriter insurance referral mandatory). Terms are RECORDS, never payment instruments; settlement moves buyer to seller in full; premium is invoiced post-hoc, never deducted from flow; insurance is referral-only — the operator never underwrites. Returns signed XDR-1 receipt. (0.005 USDC on Base)
  • POST /v1/tools/csp_commitment_create/call — 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. (5000 on Base)
  • POST /v1/tools/gulf_supplier_check/call — One call, one receipt: UAE TRN + settlement IBAN + SWIFT/BIC. Deterministic structure validation for Gulf trade corridors, scope stated per identifier. (0.02 USDC on Base)
  • POST /v1/tools/ifsc_check/call — Check the 11-character Indian IFSC format, including its fifth-character zero. No bank-branch registry lookup or account verification. (5000 on Base)
  • POST /v1/tools/pan_format_check/call — 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). (0.01 USDC on Base)
  • POST /v1/tools/fx_spot_price_oracle/call — High-precision fiat & stablecoin foreign exchange spot rates (USDC, EUR, GBP, JPY, etc.) computed from TWAP edge oracles. (0.01 USDC on Base)
  • POST /v1/tools/reconcile/call — 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. (0.01 USDC on Base)
  • POST /v1/tools/batch_validate/call — Run up to 50 supported {tool, value} checks in one request. Each result states its scope. Compare the current batch quote with individual quotes; savings depend on batch size. (0.05 USDC on Base)
  • POST /v1/tools/block_info/call — Latest (or specified) Base block header: number, timestamp, transaction count, base fee. Preflighted before payment. (0.05 USDC on Base)
  • POST /v1/tools/rental_listing_risk/call — Explainable tenancy fraud risk score evaluated across irreversible payment demands, off-platform pressure, stolen photos, and advance wire signals. Deterministic rule engine. (0.04 USDC on Base)
  • POST /v1/tools/settlement_history_check/call — ON-CHAIN COUNTERPARTY PROOF: Audit USDC transfers sent and received by any EVM address over the last ~48h of Base blocks. Preflighted so you never pay during an RPC outage. (0.02 USDC on Base)
  • POST /v1/tools/tx_activity/call — On-chain activity snapshot: total outbound nonce, bytecode check (is_contract), and funded status on Base. Preflighted before payment. (5000 on Base)
  • POST /v1/tools/balance_check/call — Read native ETH and USDC balances on Base with raw units and decimals. A balance snapshot is not proof of solvency, ownership or future payment ability; upstream reads can fail. (5000 on Base)

+47 more endpoints.

First seen · last seen