{"uid":"cap_LUNjgR8HHlGYx95Hef45N","slug":"btc-transaction-fee-rates-6462435e","name":"BTC Transaction Fee Rates","description":"Recommended Bitcoin transaction fee-rates in sat per vByte across five confirmation horizons (fastest, half hour, hour, economy, minimum) plus a live mempool congestion snapshot with an estimated block backlog. Informational, not advice.","url":"https://payai.agentstools.dev/btc/fees","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","required":[],"properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_WHryiULszumiUgif_c11Q","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns recommended Bitcoin transaction fee-rates in sat/vByte across five confirmation horizons plus a live mempool congestion snapshot with block backlog estimate.","exampleAgentPrompt":"What are the current Bitcoin transaction fee rates across all confirmation speeds — fastest, half-hour, one-hour, economy, and minimum — and is the mempool congested right now?","exampleUseCases":[{"title":"Optimizing BTC withdrawal fee","prompt":"I'm about to send Bitcoin from my wallet — what fee rate should I set in sat/vByte if I want it confirmed within the next 30 minutes, and how backed up is the mempool right now?"},{"title":"Cheapest BTC fee for non-urgent transfer","prompt":"I want to send some Bitcoin but I'm not in a rush — what's the current minimum or economy fee rate in sat/vByte that will still eventually get confirmed?"},{"title":"Monitoring mempool congestion for a trading bot","prompt":"Check the current Bitcoin mempool congestion level and tell me the estimated block backlog along with the fastest and economy fee rates right now."}],"resultDescription":"A structured response containing five fee-rate tiers in sat/vByte (fastest, half-hour, hour, economy, minimum) and a live mempool snapshot including a congestion indicator and estimated number of blocks currently backed up.","failureModes":["Upstream mempool data source unavailable, returning stale or error response","Network timeout if Bitcoin node or mempool API is unreachable","Payment required error (402) if x402 payment header is missing or invalid","Unexpected fee spike during high mempool activity may look like data errors"],"whenToPreferThis":"Choose this endpoint when you need real-time Bitcoin fee-rate recommendations across multiple confirmation horizons in a single call, especially when also needing mempool congestion context. Prefer this over manual mempool explorers when automating Bitcoin transaction preparation or wallet UX decisions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:11:28.112Z","isFirstParty":false}