{"id":"bc828faa-3c8d-42c0-bdc1-7cb6783ea841","shortId":"pKn8ZC","kind":"x402","title":"Wallet trust scoring and risk classification via x402-paid API on Base","tagline":"Wallet trust scoring and risk classification via x402-paid API on Base","description":"DeFi Shield's `/api/wallet/risk` endpoint provides wallet-level trust scoring, risk flags, and behavioral classification for Ethereum-compatible addresses. It is one of 69 paid endpoints in the DeFi Shield suite, a security intelligence platform designed for autonomous AI agents. Payment is handled per-request using USDC on Base via the x402 protocol.\n\nThe endpoint accepts POST requests with a wallet address and returns a trust score, risk flags, and a behavioral classification of the wallet. The listed price is $0.75 per call. The broader DeFi Shield platform covers 11 categories including DeFi intelligence, wallet intelligence, protocol risk, MEV/trading analysis, NFT intelligence, cross-chain data, safety/compliance checks, developer security, agent-to-agent trust, data infrastructure, and real-time monitoring.\n\nThe endpoint was confirmed live via a 402 challenge response, consistent with x402 protocol behavior. However, the 402 challenge body was empty (no payment details such as token address, amount, or network were included in the probe), and no OpenAPI schema or dedicated documentation page was found. Endpoint discovery is available via GET on the same path or through the `/api/health` and `/.well-known/agent-card.json` routes. Without detailed request/response schemas or example payloads in the crawled material, the exact input parameters and output structure must be inferred from the endpoint name and brief description.","tags":[],"capabilities":["wallet-risk-scoring","trust-score","behavioral-classification","risk-flag-detection","x402-payment","usdc-on-base","per-request-billing"],"categories":["defi","security","blockchain"],"synonyms":["wallet risk assessment","wallet trust score","wallet reputation","address risk check","wallet behavioral analysis","on-chain risk scoring","wallet security scan"],"warnings":["402 challenge body was empty — no payment parameters (token, amount, network) were captured in the probe","No OpenAPI or dedicated API documentation found (docs page returns 404)","Example response JSON is inferred/unavailable; actual output schema is unknown","Price of $0.75 per call is taken from the landing page listing but not confirmed in the 402 challenge"],"endpointUrl":"https://defi-shield-hazel.vercel.app/api/wallet/risk","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x4765092Fe75D2A42C76CEac2Cc249bB2246a527d","amount":"750000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}]},"qualityScore":"0.450","qualityRationale":"The endpoint is confirmed live via a 402 challenge, and the landing page provides a clear description and price ($0.75). However, the 402 challenge body was empty (no payment parameters captured), no OpenAPI schema exists, no docs page was found, and no example response is available. Request/response structure is inferred from the brief listing 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'/api/health':212 '/api/wallet/risk':30 '0.75':110 '11':119 '402':159,169 '69':52 'accept':85 'address':47,91,180 'address risk check' 'agent':68,141,143 'agent-to-ag':140 'ai':67 'amount':181 'analysi':129 'api':11,24 'autonom':66 'avail':202 'base':13,26,78 'behavior':41,101,166 'behavioral-classification' 'bodi':171 'brief':242 'broader':114 'call':112 'categori':120 'chain':134 'challeng':160,170 'check':137 'classif':6,19,42,102 'compat':46 'confirm':155 'consist':162 'cover':118 'crawl':225 'cross':133 'cross-chain':132 'data':135,145 'dedic':194 'defi':27,57,115,122 'descript':243 'design':64 'detail':176,217 'develop':138 'discoveri':200 'document':195 'empti':173 'endpoint':31,54,84,153,199,239 'ethereum':45 'ethereum-compat':44 'exact':228 'exampl':221 'flag':39,98 'found':198 'get':204 'handl':71 'howev':167 'includ':121,185 'infer':236 'infrastructur':146 'input':229 'intellig':62,123,125,131 'level':35 'list':107 'live':156 'materi':226 'mev/trading':128 'monitor':151 'must':234 'name':240 'network':183 'nft':130 'on-chain risk scoring' 'one':50 'openapi':191 'output':232 'page':196 'paid':10,23,53 'paramet':230 'path':208 'payload':222 'payment':69,175 'per':73,111 'per-request':72 'per-request-billing' 'platform':63,117 'post':86 'price':108 'probe':188 'protocol':82,126,165 'provid':32 'real':149 'real-tim':148 'request':74,87 'request/response':218 'respons':161 'return':93 'risk':5,18,38,97,127 'risk-flag-detection' 'rout':215 'safety/compliance':136 'schema':192,219 'score':3,16,37,96 'secur':61,139 'shield':28,58,116 'structur':233 'suit':59 'time':150 'token':179 'trust':2,15,36,95,144 'trust-score' 'usdc':76 'usdc-on-base' 'use':75 'via':7,20,79,157,203 'wallet':1,14,34,90,105,124 'wallet behavioral analysis' 'wallet reputation' 'wallet risk assessment' 'wallet security scan' 'wallet trust score' 'wallet-level':33 'wallet-risk-scoring' 'without':216 'x402':9,22,81,164 'x402-paid':8,21 'x402-payment'","prices":[{"id":"c0579ab3-23f2-4e8b-9c78-a45a6dc1a6dd","listingId":"bc828faa-3c8d-42c0-bdc1-7cb6783ea841","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":null,"chain":"base","payTo":"0x4765092Fe75D2A42C76CEac2Cc249bB2246a527d","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x4765092Fe75D2A42C76CEac2Cc249bB2246a527d","amount":"750000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:40.933Z"}],"sources":[{"listingId":"bc828faa-3c8d-42c0-bdc1-7cb6783ea841","source":"x402_bazaar","sourceId":"https://defi-shield-hazel.vercel.app/api/wallet/risk","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:40.933Z","lastSeenAt":"2026-04-22T05:32:33.805Z"}],"details":{"listingId":"bc828faa-3c8d-42c0-bdc1-7cb6783ea841","quickStartSnippet":"# Discover endpoint details (free)\ncurl https://defi-shield-hazel.vercel.app/api/wallet/risk\n\n# Paid request (requires x402 payment header)\ncurl -X POST https://defi-shield-hazel.vercel.app/api/wallet/risk \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -d '{\"address\": \"0x1234...abcd\"}'","exampleRequest":{"address":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"},"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The /api/wallet/risk endpoint provides trust score, risk flags, and behavioral classification at $0.75 per call","source_url":"https://defi-shield-hazel.vercel.app"},{"claim":"DeFi Shield offers 69 paid API endpoints across 11 categories, paid via USDC on Base using x402","source_url":"https://defi-shield-hazel.vercel.app"},{"claim":"Endpoint discovery is available via GET on each endpoint path, /api/health, and /.well-known/agent-card.json","source_url":"https://defi-shield-hazel.vercel.app"}],"useCases":["AI agents evaluating counterparty wallet risk before executing a DeFi transaction","Automated compliance workflows flagging high-risk wallets before interaction","Portfolio management bots screening wallets for suspicious behavioral patterns","Agent-to-agent trust verification by checking wallet risk profiles","DeFi protocol front-ends warning users about risky counterparties"],"bestFor":["Autonomous AI agents needing per-call wallet risk intelligence","DeFi applications requiring on-chain wallet trust scoring","Compliance pipelines that need programmatic wallet risk flags"],"notFor":["Bulk historical wallet analytics requiring batch processing","Users who need free or subscription-based pricing rather than per-call micropayments","Non-blockchain wallet or traditional banking risk assessment"],"kindDetails":{},"updatedAt":"2026-04-22T02:54:19.149Z"}}