{"uid":"cap_Jsy6iw9CXq8shGy5hBzge","slug":"wallet-safety-checks-ofac-sdn-sanctions-screener-01d1bb7a","name":"Wallet Safety Checks – OFAC SDN Sanctions Screener","description":"Is this address sanctioned? Screens a crypto address against the US Treasury OFAC SDN list's published digital currency addresses (ETH, USDC, USDT, XBT, SOL, TRX and others): the listed entity, programs and listing date on a match, or not found as of the list date. Adds whether it is a wallet (EOA) or contract on Base, Ethereum, Arbitrum, Optimism or Polygon, or a wallet or program-derived address on Solana. Not legal advice.","url":"https://onchaincheck.dev/address/screen?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["address"],"properties":{"chain":{"enum":["base","eth","arbitrum","optimism","polygon","solana","other"],"type":"string","description":"Chain for the wallet/contract check; defaults to base for 0x addresses, solana for Solana addresses, otherwise other (list check only)"},"address":{"type":"string","pattern":"^[A-Za-z0-9:._-]{14,128}$","description":"Address to screen: 0x (EVM), base58 (Solana), or any other currency's address with chain=other"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"chain":"eth","notes":"Screens only the digital currency addresses that OFAC publishes on its SDN list, from a copy dated listAsOf. It is not legal advice and not a complete sanctions or AML check: it doesn't cover addresse… (240 chars, truncated in this example)","result":"on the OFAC SDN list","account":{"kind":"wallet (EOA) or empty address","isContract":false},"address":"0x098B716B8Aaf21512996dC57EB0615e2383E2f96","matches":[{"entity":"Lazarus Group","currency":"ETH","entityId":27307,"programs":["DPRK3"],"listedAddress":"0x098B716B8Aaf21512996dC57EB0615e2383E2f96","entityListedOn":"2019-09-13"}],"listAsOf":"2026-10-21","sanctioned":true,"listAgeDays":2,"listAddresses":1065}},"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_0cWyh_sOQDOi8thiDUt3b","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":"Screens a crypto address against the US Treasury OFAC SDN list and identifies whether it is a wallet or contract on EVM chains or Solana","exampleAgentPrompt":"Can you check whether the Ethereum address 0x098B716B8Aaf21512996dC57EB0615e2383E2f96 is on the OFAC sanctions list, and tell me if it's a wallet or a smart contract?","exampleUseCases":[{"title":"Pre-transfer sanctions compliance check","prompt":"Before I send USDC to 0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD on Ethereum, can you verify it's not on the OFAC SDN sanctions list and tell me whether it's a regular wallet or a contract?"},{"title":"Solana wallet due diligence","prompt":"I'm about to interact with the Solana address 9WzDXwBbmkg8ZTbNMqUxvQRAyrZzDsGYdLVL9zYtAWWM — can you screen it against the OFAC SDN list and let me know if it's a wallet or a program-derived address?"},{"title":"Flagging sanctioned counterparty in a transaction","prompt":"A user just tried to deposit from 0x7F367cC41522cE07553e823bf3be79A889debe1B on Arbitrum — run an OFAC sanctions screen on that address and tell me which entity and programs it's linked to if it's a match."}],"resultDescription":"Returns whether the address is found on the OFAC SDN list (sanctioned: true/false), matched entity name, OFAC programs, listing date, the currency type matched, plus the account classification (EOA wallet vs contract on EVM chains, or wallet vs program-derived address on Solana). Also includes the date and age of the SDN list copy used.","failureModes":["Address format invalid or too short (pattern mismatch) — 400 error","Chain enum value not recognized — 400 error","Address not found on SDN list returns result: 'not found' with sanctioned: false (not an error)","List may be a few days old (listAgeDays field indicates staleness)","Payment not completed or insufficient USDC — 402 Payment Required","Endpoint only covers addresses explicitly published by OFAC for digital currencies, not all sanctioned entities"],"whenToPreferThis":"Use this endpoint when you need a fast, low-cost ($0.005 USDC) per-address OFAC SDN sanctions screen for crypto addresses across EVM chains (Ethereum, Base, Arbitrum, Optimism, Polygon) or Solana, combined with on-chain account type classification. Prefer it over general blockchain explorers when you specifically need OFAC SDN compliance data with entity, program, and listing date details in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:43:43.326Z","isFirstParty":false,"canonicalSlug":"wallet-safety-checks-ofac-sdn-sanctions-screener-01d1bb7a"}