{"uid":"cap_aZ8l-sMhDyfprsJ8Zr09w","slug":"agentservices-whale-tracker-large-bitcoin-holder-activity-993172cb","name":"AgentServices Whale Tracker — Large Bitcoin Holder Activity","description":"Paid data APIs for AI agents. Crypto market data, DeFi yields, IP geolocation, dispute resolution, marketing intelligence. Powered by x402 micropayments on Base.","url":"https://agentservices.to/v1/whales","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"integer"},"min_btc":{"type":"number"}}},"responseSchema":{},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_C3Ev7wwO2BvdPB9SPdYBT","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","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 Bitcoin holders (whales) filtered by minimum BTC balance, with configurable result limits.","exampleAgentPrompt":"Show me the top 10 Bitcoin whales holding at least 500 BTC each — I want to see who the biggest holders are right now.","exampleUseCases":[{"title":"Crypto market sentiment via whale accumulation","prompt":"Pull the top 20 BTC whales holding at least 1000 BTC — I want to see if big holders are accumulating before the next market move."},{"title":"Trading bot whale signal filter","prompt":"Give me a list of the 50 largest Bitcoin wallets with at least 500 BTC so I can use whale activity as a signal in my trading strategy."},{"title":"DeFi risk dashboard whale exposure","prompt":"Fetch the top 5 Bitcoin whales holding more than 5000 BTC — I'm building a market concentration report and need the biggest players."}],"resultDescription":"A JSON array of whale wallet records, each representing a large Bitcoin holder filtered by the specified minimum BTC balance, up to the requested limit count. Records likely include wallet address, BTC balance, and related on-chain metadata.","failureModes":["Invalid min_btc value (negative or non-numeric) returns a 400 error","limit exceeding maximum allowed count may be capped or rejected","Payment not completed via x402 micropayment returns 402 Payment Required","Data may be slightly delayed relative to real-time blockchain state","Empty result set if min_btc threshold is set too high"],"whenToPreferThis":"Choose this endpoint when you need a quick, pre-filtered list of large Bitcoin holders without running your own on-chain indexer. Ideal for agents doing market intelligence, whale tracking, or concentration analysis where you want BTC whales specifically (not Ethereum or other chains). The $0.02 per-call micropayment via x402 on Base makes it cost-effective for occasional lookups. Prefer alternatives if you need real-time streaming data, multi-chain whale tracking, or raw transaction-level detail.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:49:42.292Z","isFirstParty":false}