{"uid":"cap_6KoywfWZmcWLnE3WnaI_z","slug":"httpay-whale-alert-base-45529b32","name":"HTTPay Whale Alert Base","description":"Latest large transactions on Base (>$10K) in the last hour. Real on-chain USDC/WETH transfer data via BaseScan.","url":"https://httpay.xyz/api/whale-alert-base","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"description":"Latest large transactions on Base (>$10K) in the last hour. Real on-chain USDC/WETH transfer data via BaseScan."}},"example":{"request":{"chain":"base","limit":10},"response":{"meta":{"x402":true,"poweredBy":"Alfred Zhang 🫡"},"chain":"Base","alerts":[],"topAlert":null,"fromBlock":0,"updatedAt":"2026-06-12T04:38:32.412Z","alertCount":0,"dataSource":"BaseScan live data","ethPriceUSD":1676.83,"windowHours":1,"currentBlock":null,"totalVolumeUSD":"$0","minThresholdUSD":10000}},"exampleRequest":{"chain":"base","limit":10},"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/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_UD6Ka_IiY8xUpopR0mSDZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the latest large on-chain transactions (>$10K) on Base in the last hour, focusing on USDC and WETH transfers sourced from BaseScan.","exampleAgentPrompt":"Show me the latest whale transactions on Base — I want to see any USDC or WETH transfers over $10K from the past hour.","exampleUseCases":null,"resultDescription":"A JSON object containing a list of large on-chain transactions on Base from the past hour, including transfer amounts, token types (USDC/WETH), sender and receiver addresses, and timestamps, sourced from BaseScan.","failureModes":["No large transactions found in the last hour — returns empty list or descriptive message","BaseScan data unavailable — may return stale or error response","Payment not completed — 402 response requiring x402 USDC payment on Base","Rate limiting or server errors — 5xx response"],"whenToPreferThis":"Use this endpoint when you need a quick, real-time snapshot of whale activity (>$10K transfers) on the Base network without setting up API keys or subscriptions. Ideal for DeFi monitoring agents, trading bots, or market sentiment tools that need on-chain large-transaction signals on Base specifically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:53:34.714Z","isFirstParty":false}