{"uid":"cap_4drvktbSibNLKA9dB_5Cp","slug":"basebuilder-crypto-smart-money-transfers-a492b415","name":"BaseBuilder Crypto Smart Money Transfers","description":"BaseBuilder Crypto API hub - 26 paid endpoints","url":"https://bb-crypto.vercel.app/api/smart-money/transfers","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.107787","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":"$0.107787/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.107787","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.107787","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_DFzHg4K5VvsjBOrNxxxy7","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.107787","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves smart money transfer activity on-chain, tracking movements of whale and institutional crypto wallets","exampleAgentPrompt":"Show me the recent smart money transfers for USDC on Base — I want to see what the big wallets have been moving in the last 24 hours.","exampleUseCases":null,"resultDescription":"Returns a list of on-chain transfer records attributed to smart money or whale wallets, including sender/receiver addresses, token details, amounts, transaction hashes, and timestamps for each transfer event.","failureModes":["Invalid or missing wallet/token address returns 400 error","Unsupported chain or token returns empty result set","Payment not received results in 402 Payment Required","Rate limiting or quota exceeded returns 429","Malformed POST body returns 400 validation error","Internal server error if upstream blockchain data provider is unavailable"],"whenToPreferThis":"Use this endpoint when you need to track on-chain token transfers specifically attributed to smart money or whale wallets, rather than general transaction history. Best suited for market intelligence, DeFi research, or building signals around institutional crypto movement on supported chains.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:46:28.136Z","isFirstParty":false}