{"uid":"cap_vw9rrKoYR0mkLx2-bCKd5","slug":"code402-aci-trust-lookup-091c4f03","name":"code402 ACI Trust Lookup","description":"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 3 calls/day free.","url":"https://hcrb.in/v1/tools/aci-trust-lookup/call?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"object","required":["subject"],"properties":{"role":{"type":"string","description":"Agent role: 'payer' or 'seller' (default 'payer')"},"subject":{"type":"string","description":"Agent wallet address (0x...) or canonical ANS identifier (c402:...) to evaluate"},"first_seen_days":{"type":"number","description":"Days since first active on-chain settlement"},"dispute_loss_rate":{"type":"number","description":"Historical dispute loss rate 0.0 to 1.0"},"settled_calls_90d":{"type":"number","description":"Number of settled transactions in the past 90 days"},"sponsor_attestations":{"type":"array","description":"Array of signed sponsorship edges"},"settlement_success_rate":{"type":"number","description":"Historical settlement success rate 0.0 to 1.0"}}}}},"responseSchema":{"type":"json","schema":{"type":"object","required":["ok","standard","subject","tier","score_bp"],"properties":{"ok":{"type":"boolean"},"tier":{"type":"string"},"subject":{"type":"string"},"evidence":{"type":"object"},"score_bp":{"type":"number"},"standard":{"type":"string"},"policy_notice":{"type":"string"},"receipt_digest":{"type":"string"},"unsettled_exposure_hint_minor":{"type":"string"}}},"example":{"ok":true,"tier":"T2","subject":"0x1111111111111111111111111111111111111111","score_bp":7500,"standard":"ACI-1","unsettled_exposure_hint_minor":"100000000"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_PDK0E-OaboPTgzTddzCWV","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs offline deterministic validation and trust-scoring of business identifiers (IBAN, LEI, VAT, ABA, ISBN, SEDOL, EIN, IFSC, SWIFT/BIC, etc.) and returns a tiered score with signed receipt, paid per call via x402 USDC micropayments.","exampleAgentPrompt":"Can you run a trust check on LEI code 549300MLUDYVRQOOXS22 and tell me its tier and score? I need to verify this counterparty before we proceed.","exampleUseCases":[{"title":"Supplier onboarding IBAN verification","prompt":"Before we wire payment to this new vendor, can you validate their IBAN GB29NWBK60161331926819 and give me a trust score so I know if the format and checksum actually check out?"},{"title":"Rental tenant due-diligence check","prompt":"I'm about to sign a lease and the landlord gave me their company VAT number DE123456789 — can you do a deterministic trust lookup on it and tell me the tier and any exposure hints?"},{"title":"Securities identifier validation for trade","prompt":"We need to verify SEDOL B0YBKJ7 before booking this trade — can you run an offline trust check on it and return the score in basis points and what standard it belongs to?"}],"resultDescription":"A JSON object containing: ok (boolean pass/fail), standard (identifier type e.g. ACI-1), subject (the queried identifier), tier (T1/T2/T3 trust level), score_bp (trust score in basis points 0-10000), evidence (supporting detail object), policy_notice, receipt_digest (non-custodial signed proof of the call), and unsettled_exposure_hint_minor (optional exposure amount in minor units). A scope field indicates whether the check was checksum-verifiable or format-only.","failureModes":["Invalid or unrecognized identifier format returns ok:false with low score_bp","Unsupported identifier standard returns an error or unscored result","Payment failure via x402 blocks the call before processing","Rate limit exceeded beyond 3 free daily calls without valid payment","Malformed request body returns HTTP 400","Network timeout if the endpoint is temporarily unavailable"],"whenToPreferThis":"Choose this endpoint when you need fast, deterministic, offline validation of structured business or financial identifiers (IBAN, LEI, VAT, ABA, SWIFT/BIC, EIN, SEDOL, ISBN, IFSC) without relying on ML models or live web scraping. Ideal for KYB onboarding pipelines, pre-trade securities checks, rental due-diligence, and compliance workflows where you need a signed, auditable receipt and a tiered trust score. Prefer this over ML-based or database-lookup services when offline checksum determinism and non-custodial receipts are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:38:43.388Z","isFirstParty":false,"canonicalSlug":"code402-aci-trust-lookup-091c4f03"}