{"uid":"cap_H9-Vn8ZRCFuaSFw1y4vMi","slug":"xynaptic-crypto-whales-589d3414","name":"Xynaptic Crypto Whales","description":"Xynaptic Crypto Whales — live large Bitcoin transfers straight from the network: biggest mempool transactions and recent block flows, sorted by value (BTC + USD). Spot accumulation/distribution in real-time. GET ?min_btc=10 (&limit=10).","url":"https://api.xynaptic.io/v1/crypto-whales?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","additionalProperties":{"type":"string"}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_N-UtJPVhBhXMekAaFVjMC","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 live large Bitcoin transfers from the mempool and recent blocks, sorted by value in BTC and USD, to spot whale accumulation or distribution in real time.","exampleAgentPrompt":"Show me the top 10 Bitcoin whale transactions happening right now — mempool and recent blocks — with at least 10 BTC per transfer, ranked by value in both BTC and USD.","exampleUseCases":[{"title":"Real-time whale accumulation alert","prompt":"Pull the biggest Bitcoin transactions from the mempool and recent blocks right now — anything over 50 BTC — and tell me if whales seem to be accumulating or distributing."},{"title":"Trading signal from large BTC flows","prompt":"Before I make a trade, can you check the current large Bitcoin transfers on-chain? Show me the top 10 transactions over 10 BTC sorted by value so I can gauge market pressure."},{"title":"Crypto newsletter whale digest","prompt":"I need to write today's whale watch section — grab the 10 largest Bitcoin transfers from the last block flows and mempool, at least 5 BTC each, with BTC and USD values."}],"resultDescription":"A ranked list of large Bitcoin transactions from the mempool and recent blocks, each entry including the transaction size in BTC, its equivalent USD value, and metadata sufficient to identify accumulation or distribution patterns, sorted descending by value.","failureModes":["Network or mempool node unavailability causing empty or stale results","min_btc filter set too high returning zero results","limit parameter out of acceptable range causing a 400 error","Temporary payment/x402 authentication failure returning 402","Rate limiting if called too frequently returning 429"],"whenToPreferThis":"Choose this endpoint when you need real-time, value-sorted Bitcoin whale transaction data from both the mempool and recent confirmed blocks in a single call. It is ideal for trading signal generation, market sentiment analysis, or on-chain monitoring without needing to run your own Bitcoin node or parse raw blockchain data. Prefer it over generic blockchain explorers when you specifically want pre-filtered large transactions ranked by USD value with minimal latency.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T00:42:42.618Z","isFirstParty":false,"canonicalSlug":"xynaptic-crypto-whales-589d3414"}