{"uid":"cap_iLeMFblabxDhzGD7bk7-s","slug":"chainverdict-ofac-sdn-address-screener-899d9af6","name":"ChainVerdict OFAC SDN Address Screener","description":"Screen an EVM address against the US OFAC SDN digital-currency address list at $0.001 — the cheapest sanctions lookup in the ecosystem, Ed25519-signed so you can verify it offline. Exact-list-match, refreshed daily. Screens that one list only — not EU, UN or UK/OFSI — and a non-match is not evidence the counterparty is legitimate. Not a regulated AML/KYT service and does not discharge any legal screening obligation.","url":"https://chainverdict.xyz/v1/screen/address/:addr","method":"GET","headers":{},"bodySchema":{"type":"object","$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"},"pathParams":{"type":"object","required":["addr"],"properties":{"addr":{"type":"string","description":"EVM address to screen against the OFAC SDN list"}}},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","additionalProperties":true}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_f7t_R7lTcTTYV9ovu-dBB","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks a single EVM wallet address against the US OFAC SDN digital-currency address list and returns a signed match/no-match result for $0.001 per call","exampleAgentPrompt":"Before I send USDC to 0x3f5CE5FBFe3E9af3971dD833D26BA9b5C936f0bE, screen that address against the US OFAC SDN sanctions list so I know if it's flagged.","exampleUseCases":[{"title":"Pre-transfer compliance check","prompt":"I'm about to send ETH to 0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B — can you check that address against the OFAC SDN list before I proceed?"},{"title":"DeFi protocol counterparty screening","prompt":"Our protocol needs to block sanctioned wallets — can you run 0x742d35Cc6634C0532925a3b844Bc454e4438f44e through the OFAC digital currency SDN list right now?"},{"title":"Automated agent wallet gatekeeping","prompt":"My agent is about to interact with wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 — screen it against the OFAC sanctions list and tell me if there's a hit before it executes anything."}],"resultDescription":"Returns a signed JSON response indicating whether the queried EVM address matched the OFAC SDN digital-currency address list. The result includes the match status (hit or no-match), the screened address, the list date (refreshed daily), and an Ed25519 signature that allows offline verification of the result's authenticity. A no-match result does not certify the address is legitimate — it only confirms absence from this specific list.","failureModes":["Invalid or malformed EVM address returns a 400 error","Address not found in list returns a no-match (not an error)","Daily refresh lag may mean very recently added SDN entries are not yet reflected","Payment failure or insufficient USDC balance returns a 402 Payment Required","Service downtime could make the endpoint unreachable, returning 5xx errors","Only screens OFAC SDN digital-currency addresses — EU, UN, UK/OFSI lists not covered"],"whenToPreferThis":"Choose this endpoint when you need a fast, cheap ($0.001), verifiable OFAC SDN check for a single EVM address before executing an on-chain transaction. The Ed25519-signed response is ideal when you need an auditable proof of screening that can be verified offline. Prefer this over broader AML/KYT services when cost per call matters and OFAC US SDN coverage is sufficient for your use case. Not suitable when EU, UN, or UK/OFSI list coverage is required, or when you need a regulated AML service that discharges legal compliance obligations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:48:20.748Z","isFirstParty":false}