{"uid":"cap_Sorykj2xgferDef_sBsv9","slug":"api-x402node-dev-fe41ef3d","name":"Recent Whale USDC Transfers on Base","description":"Recent large USDC transfers on Base mainnet with auto-classification of sender and receiver addresses. Query parameters: min_usd (default 100000, min 1000), hours (default 1, max 6). Returns top 50 sorted transfers with from/to addresses, behavioral tags, names if known, amount_usd, tx hash, block. For trading alpha agents tracking whale movements, treasury flow monitoring. Accepts payment on Base or Solana — either network works.","url":"https://api.x402node.dev/wallet/recent-whales","method":"GET","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":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"scan":{"type":"string","description":"Scan (optional)"},"min_usd":{"type":"string","description":"Min_usd (optional)"},"toAddress":{"type":"string","description":"ToAddress (optional)"},"fromAddress":{"type":"string","description":"FromAddress (optional)"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_G2KtKL5F715NKxnMK1Kbu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the top 50 recent large USDC transfers on Base mainnet with auto-classified sender/receiver addresses, behavioral tags, and known entity names.","exampleAgentPrompt":"Show me the biggest USDC whale transfers on Base from the last 2 hours — only ones over $500,000 — and tell me who the senders and receivers are if you can identify them.","exampleUseCases":null,"resultDescription":"A list of up to 50 large USDC transfers sorted by size, each with from/to addresses, behavioral classification tags, known entity names (if available), USD amount, transaction hash, and block number. Covers the last 1–6 hours filtered by a minimum USD threshold.","failureModes":["min_usd below 1000 returns validation error","hours exceeds 6 returns validation error or capped result","No transfers found for very high min_usd threshold in short window returns empty list","RPC backend unavailable returns 5xx error","Payment not included or insufficient returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need real-time whale movement intelligence on Base mainnet specifically — with the added value of auto-classified addresses and known entity names. Prefer this over generic block explorers when you want pre-sorted, pre-labeled whale data ready for trading alpha or treasury monitoring without writing your own classification logic.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:53:53.071Z","isFirstParty":false}