{"uid":"cap_YSlufgHhg8Rv9j_Zp8yFA","slug":"btcnode-uk-813f38e2","name":"btcnode.uk Bitcoin Fee Rate Estimates","description":"Bitcoin blockchain data, address portfolio, transaction tracing, fee forecasting, whale monitoring, SEC EDGAR filings, URL scraping, AI summarization, and Reddit API via x402 micropayments on Base.","url":"https://btcnode.uk/api/fees","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"low":5,"high":42,"unit":"sat/vB","medium":18}},"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{}}},"response":{"low":2,"high":4,"unit":"sat/vB","medium":3,"success":true,"updated_at":"2026-06-03T04:32:37.501Z"}},"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_dr62pV7OVZx_gdSLWB4tE","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current Bitcoin transaction fee rate estimates (sat/vB) for high, medium, and low priority confirmations from a live Bitcoin Core node","exampleAgentPrompt":"What are the current Bitcoin fee rates for high, medium, and low priority transactions right now — I need sat/vB estimates from a real node to decide how much to attach to my transaction.","exampleUseCases":[{"title":"Optimize transaction fees for wallet","prompt":"Check the current Bitcoin network fees for me — I want to know the sat/vB rates for fast, standard, and slow confirmation so I can pick the right priority when I send my transaction without overpaying."},{"title":"Monitor mempool congestion in real-time","prompt":"How congested is the Bitcoin network right now? Give me the latest fee estimates from the node so I can tell if I should wait or send my transaction immediately."},{"title":"Set dynamic fees for payment processor","prompt":"Pull the current high, medium, and low priority Bitcoin fee rates from your node — I need fresh sat/vB estimates to automatically adjust fees for my customers' outgoing transactions."}],"resultDescription":"A JSON object with integer sat/vB fee rates for high, medium, and low priority confirmation tiers, a success flag, and a timestamp indicating when the estimates were last updated (e.g. {\"high\": 15, \"medium\": 8, \"low\": 2, \"unit\": \"sat/vB\", \"success\": true, \"updated_at\": \"2026-05-25T04:30:04.334Z\"})","failureModes":["Node temporarily unreachable — may return error or stale data","All three fee tiers return the same low value during low-congestion periods (not an error, just current state)","updated_at timestamp significantly behind wall clock if node is syncing"],"whenToPreferThis":"Use this endpoint when you need real-time Bitcoin fee rate estimates sourced directly from a Bitcoin Core full node rather than third-party aggregators. Ideal for wallets, payment processors, or agents that need to dynamically set transaction fees without relying on centralized fee APIs like mempool.space or blockchain.info.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:33:44.893Z","isFirstParty":false}