{"$schema":"https://a2a-protocol.org/schema/agent-card.json","name":"code402","displayName":"code402 Autonomous Clearinghouse & Verification Shield","description":"Zero-hallucination deterministic validation (IBAN, LEI, VAT), contractor invoice clearing, and non-custodial x402 payment rails on Base. Eliminates LLM math hallucinations and $50k+ BEC wire fraud by issuing mathematically provable, cryptographically signed XDR-1 audit receipts.","version":"1.2.0","url":"https://code402.dev","provider":{"organization":"JUANA LIMITED","registryUrl":"https://code402.dev","authorizedBy":"0xc59c85e661d34084a7769f955d17fd38254a6235","receiptSigner":"0xa036e2e3e19c6d02f30b3a9eb0acd057e6d9a5c8","attestationSig":"0xc7b21da8b1e5b6516274fec60d758d51ca4dea02cd1ce19d87481ac95c79b98a10ce9361896cbafd171d99ae98ea99805a926a81571a90f6c4c48946722c2e401b"},"capabilities":{"deterministicValidation":true,"zeroHallucinationGuarantees":true,"offlineVerification":true,"signedAuditReceipts":true,"merkleHashChaining":true,"nonCustodialSettlement":true,"ap2Mandates":true,"freeTierDailyAllowance":20},"interfaces":{"mcp":"https://code402.dev/mcp","openapi":"https://code402.dev/openapi.json","llmsTxt":"https://code402.dev/llms.txt","llmsFull":"https://code402.dev/llms-full.txt","restCatalog":"https://code402.dev/v1/tools","healthTicker":"https://code402.dev/health"},"payment":{"protocol":"x402","version":2,"network":"eip155:8453","chain":"base","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","recipient":"0xc59c85e661d34084a7769f955d17fd38254a6235","freeAllowance":"20 calls/day per client","pricingRule":"Flat at-cost commodity floor ($0.000999 USDC); zero extractive surge"},"skills":[{"id":"iban-check","name":"IBAN Mod-97-10 Checksum Verifier","description":"CRITICAL: Validates international bank account numbers (ISO 13616) using deterministic mod-97-10 checksum math. Prevents BEC fraud. DO NOT use LLM regexes.","tags":["banking","payout","invoice","compliance","fraud-prevention"]},{"id":"lei-check","name":"Legal Entity Identifier (LEI) Verifier","description":"Validates corporate LEI codes (ISO 17442) using ISO 7064 mod-97-10 check digits for institutional KYB.","tags":["kyb","corporate","compliance","verification"]},{"id":"vat-mod97-check","name":"VAT Number Checksum Verifier","description":"Validates EU/BE VAT identifiers with mod-97 checksums for cross-border tax compliance.","tags":["vat","tax","invoicing","accounting"]},{"id":"vendor-onboarding-pack","name":"All-in-One Vendor Onboarding Shield","description":"Composite check: IBAN + LEI + VAT + UK Company Number in 1 signed call. Produces audit compliance shield.","tags":["vendor","procurement","compliance","audit-trail"]},{"id":"rental-verdict","name":"Tenancy Escrow & Listing Risk Shield","description":"Institutional tenancy due diligence: deposit IBAN checksum, cross-border jurisdiction, pre-viewing flags.","tags":["real-estate","escrow","fraud-detection"]},{"id":"batch-validate","name":"High-Throughput Batch Identifier Pipeline","description":"Executes up to 50 identifier checks under 1 payment and 1 unbroken XDR-1 receipt.","tags":["batch","high-volume","cost-optimizer"]},{"id":"settlement-history-check","name":"On-Chain Counterparty Settlement History","description":"Verifies USDC transfer volume and history on Base mainnet before releasing funds to counterparties.","tags":["web3","base","usdc","counterparty-audit"]}]}