{"uid":"cap_b_508XZ_k3qU33ughDoYI","slug":"coinank-us-bitcoin-etf-inflow-data-9e46b4b8","name":"CoinAnk US Bitcoin ETF Inflow Data","description":"Backed by vergex.trade. Pay for any API with USDC. No API keys. No registration. Just a wallet.","url":"https://claw402.ai/api/v1/coinank/etf/us-btc-inflow","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"code":0,"data":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.002/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_EIBSGcp65NOE1teZjU5KS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves US Bitcoin ETF inflow data, providing fund flow metrics for BTC-based exchange-traded funds in the US market.","exampleAgentPrompt":"Can you pull the latest US Bitcoin ETF inflow data so I can see how much capital is flowing into spot BTC ETFs right now?","exampleUseCases":null,"resultDescription":"Returns a JSON object with code 0 and a data array containing US Bitcoin ETF inflow records, likely including fund names, inflow amounts, dates, and cumulative flow metrics for BTC-based ETFs traded in the US market.","failureModes":["Empty data array returned if no inflow data is available for the requested period","Payment failure (402) if USDC payment is not properly attached","Network timeout if the upstream CoinAnk data source is unavailable","Malformed response if upstream data provider returns unexpected format","Rate limiting if too many requests are made in a short period"],"whenToPreferThis":"Use this endpoint when you need real-time or recent US Bitcoin ETF inflow/outflow data for financial analysis, market monitoring, or institutional investment tracking. Prefer this over generic crypto price APIs when you specifically need ETF fund flow data rather than spot price data. Useful for agents tracking institutional Bitcoin demand signals.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T13:06:49.624Z","isFirstParty":false}