{"uid":"cap_rHtQT5i_4u6QeH0drFGua","slug":"nomos-wallet-watchlist-risk-screening-68968987","name":"Nomos Wallet Watchlist Risk Screening","description":"Machine-payable service intelligence for discovering, verifying, and monitoring identity, risk, authorization, execution-preflight, and evidence APIs before autonomous agents spend.","url":"https://base-agent-preflight.bytoken2023.workers.dev/x402/v1/wallet/watchlist","method":"POST","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":["POST"],"type":"string"},"queryParams":{"type":"object","required":["chain","address"],"properties":{"chain":{"enum":["ethereum","tron","bitcoin"],"type":"string"},"address":{"type":"string","maxLength":120,"minLength":26},"idempotency_key":{"type":"string","maxLength":128}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"network":{"type":"string"},"product":{"type":"string"},"activity":{"type":"object"},"identity":{"type":"object"},"assessment":{"type":"object"},"provenance":{"type":"object"}}}}}}},"responseSchema":{"type":"json","example":{"network":"eip155:8453","product":"nomos-wallet-watchlist","assessment":{"flags":[],"risk_level":"low","risk_score":0}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/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_8AVpsy1C5pNvwm_eTW2iq","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":"Screens a blockchain wallet address for risk flags, risk score, and risk level across Ethereum, Tron, or Bitcoin networks","exampleAgentPrompt":"Before I send that USDC payment, can you run a risk check on the Ethereum address 0xAbC123...def456 and tell me if it has any watchlist flags or a high risk score?","exampleUseCases":[{"title":"Pre-payment counterparty screening","prompt":"I'm about to send 500 USDC to 0x4e83362412b9d8b920Ad71c07a7b7E61BB9E9c to an Ethereum address — can you check if it's flagged or risky before I authorize the transfer?"},{"title":"Agent onboarding wallet compliance check","prompt":"We're onboarding a new vendor who gave us their Bitcoin address bc1qar0srrr7xfkvy5l643lydnw9re59gtzzwf5mdq — screen it for any watchlist flags or sanctions issues before we add them to our payment system."},{"title":"Tron wallet fraud investigation","prompt":"One of our users flagged this Tron address TN9RRaXkCFtTXRso2GdTZxSqnWhqJGBBFk as suspicious — can you pull its risk score and see if it shows up on any watchlists?"}],"resultDescription":"Returns a JSON object containing the network identifier (e.g. eip155:8453), product name, and an assessment object with risk_level (e.g. 'low', 'medium', 'high'), a numeric risk_score, and an array of flags describing specific risk categories triggered. Also includes identity, activity, and provenance objects when available.","failureModes":["Invalid or malformed wallet address returns a validation error","Unsupported chain value (not ethereum/tron/bitcoin) returns a 400 bad request","Address not found on-chain may return empty flags with risk_level 'unknown'","Payment failure (x402 USDC not provided or insufficient) returns 402 Payment Required","Network timeout from upstream blockchain data providers returns 503"],"whenToPreferThis":"Use this endpoint when an autonomous agent needs a fast, pay-per-request risk verdict on a specific wallet address before executing a transaction, onboarding a counterparty, or routing funds — especially when you need structured risk_level and flags rather than raw on-chain data. Prefer this over general blockchain explorers when you need a pre-packaged compliance signal rather than raw transaction history, and over heavyweight KYC pipelines when you need lightweight, agent-native preflight screening across Ethereum, Tron, or Bitcoin without a subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:03:58.399Z","isFirstParty":false}