{"uid":"cap_oMm9eXFpig9eWmHgUh8xQ","slug":"base-intel-walletwatch-whale-wallet-tracker-74a34eeb","name":"Base Intel WalletWatch — Whale Wallet Tracker","description":"4 production x402 APIs on Base Mainnet: AlphaStream, TokenPulse, WalletWatch, RugRadar. Pay per request in USDC or subscribe via Stripe.","url":"https://base-intel.deleonanalytics.com/wallet/whales","method":"GET","headers":{},"bodySchema":{"type":"object","required":["token"],"properties":{"limit":{"type":"integer"},"token":{"type":"string"},"blocks":{"type":"integer"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/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_ty1PMbWgYj1gRw_LvfJTO","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 a list of large ('whale') wallets actively trading a specified token on Base mainnet within a configurable recent block window.","exampleAgentPrompt":"Who are the top 10 whale wallets trading the token at 0x4ed4e862860bed51a9570b96d89af5e1b0efefed on Base mainnet over the last 500 blocks?","exampleUseCases":[{"title":"Monitor whale accumulation signals for portfolio tokens","prompt":"Check which whale wallets have been buying significant amounts of my token holdings on Base in the last 1000 blocks — I want to know if big players are accumulating alongside me."},{"title":"Detect suspicious token distribution patterns","prompt":"Show me the largest wallets that have been actively selling this new Base token I'm watching over the past 300 blocks — I'm trying to spot if whales are dumping or if this is normal profit-taking."},{"title":"Track institutional inflows into emerging tokens","prompt":"Pull the top whale wallets trading this promising Base token in recent activity — I need to see if major players are moving in before I decide whether to increase my position."}],"resultDescription":"Returns a ranked list of whale wallet addresses that have been actively buying or selling the specified token on Base mainnet, covering recent on-chain activity within the requested block range, with configurable result count.","failureModes":["Missing required 'token' parameter returns a 400 validation error","Invalid or unrecognized token contract address returns empty results or 404","Payment not fulfilled triggers a 402 Payment Required response requiring USDC payment via x402 protocol","Very large 'blocks' window may increase latency or hit server-side limits","'limit' set to an excessively high number may be capped server-side","Token with no recent whale activity returns an empty list"],"whenToPreferThis":"Use this endpoint when you need real-time on-chain intelligence about large wallet (whale) activity for a specific token on Base mainnet. Prefer this over generic blockchain explorers when you want pre-filtered, ranked whale addresses rather than raw transaction data. Best for DeFi traders, analysts, or agents monitoring accumulation/distribution signals.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:32:17.294Z","isFirstParty":false}