{"id":"442dd8a4-6301-44fd-8b27-deb9ec925b01","shortId":"xvTu4u","kind":"x402","title":"OFAC SDN sanctions screening via fuzzy name matching, paid per call with USDC on Base.","tagline":"OFAC SDN sanctions screening via fuzzy name matching, paid per call with USDC on Base.","description":"The sanctions-check endpoint at DeFi Shield performs OFAC SDN (Specially Designated Nationals) fuzzy name matching and risk classification. It is one of 69 x402-protocol endpoints offered by DeFi Shield, a security intelligence API suite designed for autonomous AI agents operating in DeFi and Web3 contexts.\n\nThis specific endpoint accepts a POST request and returns sanctions screening results including fuzzy name matching against the OFAC SDN list and a risk classification. The listed price is $0.10 per call, paid in USDC on the Base network via the x402 payment protocol. The probe confirmed the endpoint is live, returning a 402 Payment Required response as expected for x402 endpoints.\n\nThe broader DeFi Shield platform provides 69 endpoints across 11 categories including DeFi intelligence, wallet profiling, MEV analysis, NFT intelligence, cross-chain data, and safety/compliance checks. Free discovery is available via GET requests to any endpoint path, and a health endpoint at /api/health lists all endpoints with pricing. An A2A discovery card is served at /.well-known/agent-card.json. No OpenAPI schema or detailed API documentation was found — the /docs path returns 404 — so request/response schemas must be inferred from the landing page examples.","tags":[],"capabilities":["ofac-sdn-screening","fuzzy-name-matching","sanctions-risk-classification","x402-payment","usdc-base-settlement","compliance-check"],"categories":["compliance","security","defi"],"synonyms":["OFAC check","sanctions screening","SDN list lookup","AML name check","sanctions compliance API","KYC sanctions","blocked persons check","sanctions fuzzy match"],"warnings":["No OpenAPI or JSON schema available for request or response","The /docs path returns 404 — no detailed API documentation found","The x402 challenge body was empty; payment parameters (amount, asset, network) could not be verified from the probe","Request and response JSON examples are inferred from landing page context, not from actual documentation","This endpoint deals with sanctions/compliance — users should verify data source freshness and legal suitability for their jurisdiction"],"endpointUrl":"https://defi-shield-hazel.vercel.app/api/safety/sanctions-check","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x0814d35F25F2EF3Dffa4aEF4d137558D5E51Ed7b","amount":"100000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}]},"qualityScore":"0.450","qualityRationale":"The endpoint is confirmed live via 402 challenge and the landing page provides pricing and a brief description, but no OpenAPI schema, detailed docs, or example responses are available. Request/response shapes are inferred. The x402 challenge object was empty, providing no payment 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'/api/health':185 '/docs':209 '0.10':109 '11':151 '402':133 '404':212 '69':55,148 'AML name check' 'KYC sanctions' 'OFAC check' 'SDN list lookup' 'a2a':192 'accept':83 'across':150 'agent':73 'ai':72 'analysi':159 'api':67,204 'autonom':71 'avail':172 'base':15,30,117 'blocked persons check' 'broader':143 'call':11,26,111 'card':194 'categori':152 'chain':164 'check':34,168 'classif':50,104 'compliance-check' 'confirm':126 'context':79 'cross':163 'cross-chain':162 'data':165 'defi':37,62,76,144,154 'design':43,69 'detail':203 'discoveri':170,193 'document':205 'endpoint':35,59,82,128,141,149,178,183,188 'exampl':223 'expect':138 'found':207 'free':169 'fuzzi':6,21,45,93 'fuzzy-name-matching' 'get':174 'health':182 'includ':92,153 'infer':218 'intellig':66,155,161 'land':221 'list':100,106,186 'live':130 'match':8,23,47,95 'mev':158 'must':216 'name':7,22,46,94 'nation':44 'network':118 'nft':160 'ofac':1,16,40,98 'ofac-sdn-screening' 'offer':60 'one':53 'openapi':200 'oper':74 'page':222 'paid':9,24,112 'path':179,210 'payment':122,134 'per':10,25,110 'perform':39 'platform':146 'post':85 'price':107,190 'probe':125 'profil':157 'protocol':58,123 'provid':147 'request':86,175 'request/response':214 'requir':135 'respons':136 'result':91 'return':88,131,211 'risk':49,103 'safety/compliance':167 'sanction':3,18,33,89 'sanctions compliance API' 'sanctions fuzzy match' 'sanctions screening' 'sanctions-check':32 'sanctions-risk-classification' 'schema':201,215 'screen':4,19,90 'sdn':2,17,41,99 'secur':65 'serv':196 'shield':38,63,145 'special':42 'specif':81 'suit':68 'usdc':13,28,114 'usdc-base-settlement' 'via':5,20,119,173 'wallet':156 'web3':78 'x402':57,121,140 'x402-payment' 'x402-protocol':56","prices":[{"id":"6b80aea7-961f-4cec-b317-9beefa13c843","listingId":"442dd8a4-6301-44fd-8b27-deb9ec925b01","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":null,"chain":"base","payTo":"0x0814d35F25F2EF3Dffa4aEF4d137558D5E51Ed7b","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x0814d35F25F2EF3Dffa4aEF4d137558D5E51Ed7b","amount":"100000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:41.038Z"}],"sources":[{"listingId":"442dd8a4-6301-44fd-8b27-deb9ec925b01","source":"x402_bazaar","sourceId":"https://defi-shield-hazel.vercel.app/api/safety/sanctions-check","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:41.038Z","lastSeenAt":"2026-04-22T05:32:33.933Z"}],"details":{"listingId":"442dd8a4-6301-44fd-8b27-deb9ec925b01","quickStartSnippet":"# Discover endpoint details (free)\ncurl https://defi-shield-hazel.vercel.app/api/safety/sanctions-check\n\n# Paid request (requires x402 payment header)\ncurl -X POST https://defi-shield-hazel.vercel.app/api/safety/sanctions-check \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -d '{\"name\": \"John Doe\"}'","exampleRequest":{"name":"John Doe"},"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"OFAC SDN fuzzy name matching, risk classification endpoint priced at $0.10 per call","source_url":"https://defi-shield-hazel.vercel.app"},{"claim":"69 paid API endpoints selling security intelligence to autonomous AI agents, pay per request with USDC via x402 protocol on Base","source_url":"https://defi-shield-hazel.vercel.app"},{"claim":"Free endpoint discovery available via GET requests; health endpoint at /api/health; A2A discovery card at /.well-known/agent-card.json","source_url":"https://defi-shield-hazel.vercel.app"},{"claim":"Endpoint returned 402 status confirming it is live","source_url":"https://defi-shield-hazel.vercel.app/api/safety/sanctions-check"}],"useCases":["Screen wallet owners or counterparties against the OFAC SDN list before executing DeFi transactions","Automate compliance checks for AI agents interacting with unknown addresses or entities","Integrate sanctions risk classification into onchain trading or lending workflows","Add a compliance gate to agent-to-agent payment flows to avoid sanctioned parties","Batch-check entity names for regulatory compliance in Web3 applications"],"bestFor":["AI agents needing per-call sanctions screening without subscription commitments","DeFi protocols requiring lightweight OFAC compliance checks","Autonomous trading agents that must avoid sanctioned counterparties"],"notFor":["Full KYC/AML workflows requiring identity verification and document checks","High-volume enterprise sanctions screening (no bulk/batch endpoint documented)","Jurisdictions or use cases requiring certified compliance vendor attestations"],"kindDetails":{},"updatedAt":"2026-04-22T02:56:46.886Z"}}