{"uid":"cap_nk6Ro_Z2B0xiqlt6BLqQL","slug":"xx402-base-large-transfer-radar-1a079eb2","name":"xx402 Base Large Transfer Radar","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-large-transfer-radar?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","large_transfer_decision","next_products","best_next_products","priority_queue","risk_breakdown","token_summaries","large_transfers","review_queue","avoid_queue","bucket_counts","risk_flags","source_status","not_financial_advice","sources"],"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_oqrTWFTloFu_H4zMGOPlS","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":"Scans recent Base blockchain blocks for large ERC20 token transfers (USDC, WETH, and others) above a USD threshold, returning risk-ranked transfer data for autonomous agent risk monitoring.","exampleAgentPrompt":"Scan the last 300 blocks on Base for USDC and WETH transfers over $100,000 — give me up to 12 large transfers ranked by risk, and flag anything suspicious.","exampleUseCases":[{"title":"Whale alert for DeFi risk desk","prompt":"Check Base chain right now for any USDC or WETH transfers above $500,000 in the last 500 blocks — I want to see the top 10 flagged by risk level so I can assess market impact."},{"title":"Autonomous agent on-chain monitoring","prompt":"Every few minutes, scan Base for large ERC20 transfers above $100k across USDC and WETH in the last 300 blocks, and alert me if anything lands in the priority risk queue."},{"title":"Pre-trade whale positioning check","prompt":"Before I put on this DeFi position, scan the last 1000 Base blocks for large transfers on USDC — show me up to 20 results so I can see if there's unusual whale activity right now."}],"resultDescription":"Returns a JSON object with summary, large transfer records, priority/review/avoid queues, risk breakdown per transfer, risk flags, token summaries, bucket counts, source status, and purchase/repeat-guard metadata for agent workflows.","failureModes":["Invalid or non-Base ERC20 token address returns empty or error response","block window below 100 or above 3000 rejected by schema validation","token_limit above 5 causes validation error","payment not processed via x402 protocol results in 402 response before data is returned","no transfers above min_usd threshold returns empty large_transfers array","RPC or chain-read source unavailability reflected in source_status field"],"whenToPreferThis":"Use this endpoint when you need real-time, risk-ranked large ERC20 transfer detection specifically on the Base L2 network, especially for USDC and WETH whale monitoring. Prefer it over generic blockchain explorers when you need pre-scored risk queues, avoid/review/priority triage, and agent-ready JSON output — particularly in autonomous risk or DeFi monitoring workflows that support x402 micropayment-per-call patterns.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T12:29:04.747Z","isFirstParty":false,"canonicalSlug":"xx402-base-large-transfer-radar-1a079eb2"}