{"uid":"cap_gVSNEAhfH9E5sM_M6T2GH","slug":"xx402-base-address-risk-screening-api-012d0879","name":"xx402 Base Address Risk Screening API","description":"Paid Base token, wallet, DeFi, chain-read, x402 buyer/seller discovery, and specialized Bitcoin 15-minute Up/Down prediction-market data packets for autonomous agents and risk tools.","url":"https://x402.xx402.icu/api/base-address-risk?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"keys":["summary","purchase_acceptance","buyer_next_action","next_paid_call","decision_evidence","repeat_purchase_guard","address_decision","address_action_ticket","address_result_summary","follow_up_purchase_urls","address_trust_ticket","address_entity_profile","counterparty_routing_ticket","address_screening_verdict","trust_go_no_go_checklist","address_trust_plan","counterparty_intake_plan","buyer_execution_plan","priority_queue","best_next_products","risk_breakdown","review_queue","avoid_queue","screening_decision","account","token","token_balance","recent_transfers","counterparty_exposure","counterparty_review_queue","bucket_counts","risk_flags","risk_level","source_status","sources","not_financial_advice"],"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_DJUUP9QPlW5q9g0Rs3sLE","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Screens a Base/EVM wallet address for risk level, counterparty exposure, and trust signals by analyzing recent on-chain token transfers within a configurable block window.","exampleAgentPrompt":"Can you screen the Base wallet 0xba76c7ECa175f67cFcE475c09498f840176bf497 for risk — check its USDC transfer history over the last 3000 blocks and tell me whether it's safe to transact with?","exampleUseCases":[{"title":"DeFi counterparty trust check","prompt":"Before I send USDC to 0xba76c7ECa175f67cFcE475c09498f840176bf497 on Base, can you screen that address for risk flags and give me a trust verdict based on its last 3000 blocks of transfer activity?"},{"title":"Protocol risk monitoring for new wallets","prompt":"A new wallet just connected to my DeFi protocol — can you assess the risk level of 0xba76c7ECa175f67cFcE475c09498f840176bf497 by checking its recent Base USDC transfers over the past 2000 blocks, including counterparty exposure?"},{"title":"Automated wallet screening pipeline","prompt":"Run a risk screen on Base address 0xba76c7ECa175f67cFcE475c09498f840176bf497 using the token 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, look at up to 5000 blocks back, and return the full risk breakdown with up to 10 transfer samples."}],"resultDescription":"Returns a rich JSON object including a risk_level classification, risk_flags list, risk_breakdown detail, counterparty_exposure summary, recent_transfers array, token_balance, account and token metadata, a screening_verdict, trust_go_no_go_checklist, address_trust_plan, counterparty_routing_ticket, buyer_execution_plan, and follow_up_purchase_urls — along with a not_financial_advice disclaimer.","failureModes":["Invalid address format (must match ^0x[a-fA-F0-9]{40}$) returns a validation error","window_blocks out of range (must be 100–5000) returns a parameter error","limit out of range (must be 1–20) returns a parameter error","Payment not received via x402 protocol results in 402 Payment Required response","Token address not a valid ERC20 on Base may return empty or null token data","Network or RPC errors on Base chain may cause partial or failed data responses"],"whenToPreferThis":"Choose this endpoint when you need a structured, agent-ready risk assessment of a specific Base/EVM wallet address before transacting, routing payments, or onboarding a counterparty. It is particularly suited for autonomous agents that need a go/no-go decision with supporting evidence rather than raw chain data. Prefer it over generic block explorers when you need packaged risk flags, counterparty exposure analysis, and actionable trust plans in a single API call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T16:28:27.214Z","isFirstParty":false,"canonicalSlug":"xx402-base-address-risk-screening-api-012d0879"}