{"uid":"cap_8CeN3qzn8BqB3g8h6ddlp","slug":"402sentinel-x402-counterparty-risk-assessment-b768b62f","name":"402Sentinel x402 Counterparty Risk Assessment","description":"RWA risk gate: score a TOKENIZED ASSET (treasury, stock, credit) BEFORE an agent buys it. POST {target:{payto_address:<token contract>, network:eip155:1|eip155:8453}} returns 0-100 risk, allow/review/block, is_permissioned_security and signals: proxy-aware transfer-restriction scan (ERC-1404/3643/allowlist/pause) with a behavioral transfer simulation, live pause state, issuer identity and issuer OFAC screening. Not investment advice.","url":"https://402sentinel.com/api/assess/rwa","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"target":{"type":"object","required":["payto_address"],"properties":{"network":{"enum":["eip155:1","eip155:8453"],"type":"string","description":"Chain (Ethereum or Base; default Base)."},"payto_address":{"type":"string","description":"The RWA token CONTRACT address (0x…)."}},"description":"The tokenized asset to screen."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_UGLa5Hz2dchqfM0EQBFx8","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Scores an x402 payee address 0-100 for counterparty risk using on-chain settlement behaviour and returns an allow/review/block decision before an AI agent pays","exampleAgentPrompt":"Before I pay 0x6a5e7d954f49712abf3f873f037ec845b7b8c666 on Base for that x402 API call, run a 402Sentinel risk check on it — I want a minimum confidence of 0.7, a max payment cap of $10 USDC, and flag anything over $2 for review.","exampleUseCases":[{"title":"Automated payment firewall for agent swarms","prompt":"Set up a payment guard that screens every x402 recipient my agents hit before sending USDC—block anything scoring above 60, auto-approve under 40, and queue the middle ones for me to review in batches."},{"title":"Compliance-first treasury for RWA transfers","prompt":"I'm building a tokenized real estate settlement layer on Base—before my agent transfers any RWA to a buyer wallet, check if that address passes OFAC and Travel-Rule screening, and reject anything that doesn't get an allow decision."},{"title":"Scam-endpoint detection for API marketplace","prompt":"My agent pulls API endpoints from a marketplace contract and pays them for data via x402—run 402Sentinel on each payee wallet before it sends payment so we don't accidentally fund a prompt-injection attack or honeypot."}],"resultDescription":"Returns a 0-100 risk score and an allow/review/block decision based on the payee address's on-chain settlement history, including signals like address age, facilitator-aware payer diversity, and settlement maturity, along with a confidence value for the assessment.","failureModes":["Target payto_address missing or malformed — returns 400 validation error","Address has no on-chain history — low confidence score returned with review/block decision","Unsupported network specified — returns error or falls back to default","The x402 payment for the API call itself fails — endpoint inaccessible without valid payment","Insufficient on-chain data for meaningful scoring — low confidence indicated in response"],"whenToPreferThis":"Use this endpoint when an AI agent is about to make an x402 pay-per-call payment and needs pre-payment counterparty risk screening based purely on on-chain settlement behaviour. Prefer it over generic blockchain analytics when you specifically need an allow/review/block policy decision tailored to x402 micropayment flows on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:31:37.219Z","isFirstParty":false}