{"uid":"cap_yQJCFbVQfnDloac0tcwvr","slug":"basebuilder-crypto-whale-tracker-05d77c1d","name":"BaseBuilder Crypto Whale Tracker","description":"BaseBuilder Crypto API hub - 26 paid endpoints","url":"https://bb-crypto.vercel.app/api/whale-tracker","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.091853","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":"$0.091853/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.091853","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.091853","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xgfovIyBmgNiwD3c27NXd","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.091853","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Tracks large cryptocurrency wallet movements and whale transactions on-chain","exampleAgentPrompt":"Show me the latest whale transactions for ETH on the Ethereum mainnet — I want to see any transfers above 500 ETH from the past 24 hours.","exampleUseCases":null,"resultDescription":"Returns a list of large on-chain transactions including wallet addresses, transaction amounts, token symbols, timestamps, and blockchain network details for whale-level activity","failureModes":["Invalid or unsupported token symbol returns an error","Blockchain network not supported returns 400","No whale transactions found in the given timeframe returns empty result","Payment not processed returns 402","Rate limiting or quota exceeded returns 429"],"whenToPreferThis":"Use this endpoint when you need to track large cryptocurrency wallet movements and whale-level on-chain activity, especially for monitoring market-moving transactions on supported blockchains. Prefer this over generic blockchain explorers when you want pre-filtered, threshold-based whale detection.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:41:44.860Z","isFirstParty":false}