{"uid":"cap_v_6AchPDNpfjdAByRK_xB","slug":"api-carbon-cashmere-de-25377ab4","name":"Carbon Cashmere Whale Flow On-Chain Analytics","description":"Get whale movement data — Solana: 12 tracked whale wallets (Wintermute, Kraken, etc.) with SOL moved, exchange inflow/outflow, and largest transactions. BTC: mempool fee trends, congestion levels, hashrate, and block data. Last 24 snapshots. AI agent API for smart money tracking, whale alert monitoring, and on-chain flow analysis.","url":"https://api.carbon-cashmere.de/v1/whale-flow/:var1","method":"GET","headers":{},"bodySchema":{"type":"object","required":["coin"],"properties":{"coin":{"type":"string","title":"Coin"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_KPuJEYzdjGMMiJrtwiEDf","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns 24 snapshots of whale wallet activity and on-chain flow metrics for BTC or Solana, including tracked smart-money wallets, exchange inflows/outflows, mempool fees, and block data.","exampleAgentPrompt":"Pull the latest 24 whale-flow snapshots for Solana — I want to see what Wintermute, Kraken and other tracked wallets have been moving, including exchange inflows and outflows and the largest transactions.","exampleUseCases":[{"title":"Alert on Bitcoin exchange inflows spike","prompt":"Check the last 24 hours of Bitcoin mempool and exchange inflow data — I need to know if we're seeing a sudden surge in large holders moving coins to exchanges, and what the current fee trends look like."},{"title":"Track Solana whale repositioning signals","prompt":"Give me the recent Solana whale activity snapshots, especially focusing on whether Wintermute and Kraken have been accumulating or dumping, and show me the biggest single transactions from tracked wallets."},{"title":"Monitor Bitcoin mining pressure and fees","prompt":"Pull the last day of Bitcoin hashrate, block data, and mempool congestion — I want to understand if mining difficulty is shifting and whether fees are getting cheaper or more expensive right now."}],"resultDescription":"Returns a JSON object with a chain identifier, a summary object, and an array of up to 24 time-ordered snapshots. For Solana: SOL moved per tracked whale wallet (Wintermute, Kraken, etc.), exchange inflow/outflow volumes, and largest individual transactions. For BTC: mempool fee trends, congestion level, hashrate, and block data.","failureModes":["Invalid chain param (only 'btc' and 'sol' accepted despite schema showing 'kas') returns 400 or empty result","No data available for a snapshot window returns empty snapshots array","Payment not processed (x402 protocol) returns 402 Payment Required","Rate limiting or server error returns 5xx","Stale data if node or data pipeline is lagging"],"whenToPreferThis":"Use this endpoint when you need smart-money whale wallet tracking with exchange inflow/outflow context for Solana or Bitcoin. It is uniquely valuable because it tracks named institutional wallets (Wintermute, Kraken) on Solana and provides BTC mempool fee and congestion data alongside hashrate — all in one structured time-series response. Prefer this over generic price APIs when on-chain flow signals are needed for trading intelligence or alert systems.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:49:51.665Z","isFirstParty":false}