{"uid":"cap_CHyLQYXGDMuDCmD5aaEs5","slug":"bitcoin-mempool-fees-43ab441b","name":"Bitcoin Mempool Fees","description":"309 deterministic pay-per-call tools for AI agents over x402 (USDC, Base). No signup, no API key: the payment is the identity.","url":"https://x402-toolbox.shablony-pro.workers.dev/crypto/bitcoin-mempool-fees?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"schema":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"paid":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_AG8Cka_r6Vn7s6-Ym9rBl","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current Bitcoin mempool fee estimates (sat/vByte) for transaction confirmation targets","exampleAgentPrompt":"What are the current Bitcoin mempool fees — give me the recommended sat/vByte for fast, medium, and slow confirmation right now?","exampleUseCases":[{"title":"Pre-transaction fee check","prompt":"Before I send this Bitcoin payment, what fee rate should I use in sat/vByte to get it confirmed within the next block?"},{"title":"Mempool congestion monitoring","prompt":"Is the Bitcoin mempool congested right now? What are the current fast, medium, and economy fee estimates?"},{"title":"Cost-conscious BTC transfer","prompt":"I want to send Bitcoin but I'm not in a rush — what's the cheapest sat/vByte fee I can set and still realistically get confirmed within an hour?"}],"resultDescription":"Returns current Bitcoin mempool fee estimates across different confirmation speed tiers (e.g. fastest, half-hour, hour), expressed in satoshis per vByte, reflecting real-time mempool congestion.","failureModes":["Mempool data source unavailable — returns error or stale data","Network timeout if Bitcoin node connection is slow","Invalid schema parameter returns 400 or empty response","Mempool data may lag real-time by a few minutes during high congestion"],"whenToPreferThis":"Use this endpoint when an AI agent needs real-time Bitcoin transaction fee recommendations without requiring API key registration. Ideal for pay-per-call workflows via x402/USDC where the agent autonomously decides the fee tier for a pending BTC transaction. Prefer over manual mempool.space scraping or heavier blockchain node integrations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:48:16.298Z","isFirstParty":false,"canonicalSlug":"bitcoin-mempool-fees-43ab441b"}