{"uid":"cap_zF-RdG7WSU40ROJ-3T57L","slug":"bitcoin-mempool-recommended-fees-38247cba","name":"Bitcoin Mempool Recommended Fees","description":"216 pay-per-call tools for AI agents, from $0.001 per request in USDC on Base or Solana with x402. No account, no API key.","url":"https://fastx402.tools/mempool-recommended-fees?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"hour_fee":{"type":"integer"},"economy_fee":{"type":"integer"},"fastest_fee":{"type":"integer"},"minimum_fee":{"type":"integer"},"half_hour_fee":{"type":"integer"}}}}}}},"responseSchema":{"type":"json","example":{"hour_fee":8,"economy_fee":6,"fastest_fee":12,"minimum_fee":2,"half_hour_fee":10}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/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_VR_pgng9GmQwg4JLD_c4c","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current recommended Bitcoin transaction fee rates (sat/vB) for different confirmation speed targets from the mempool.","exampleAgentPrompt":"What are the current recommended Bitcoin transaction fee rates right now — fastest, half-hour, hour, economy, and minimum?","exampleUseCases":[{"title":"Urgent Bitcoin transaction fee check","prompt":"I need to send Bitcoin urgently — what's the fastest fee rate I should use right now to get confirmed in the next block?"},{"title":"Economy fee for low-priority Bitcoin send","prompt":"What's the cheapest fee rate I can use for a Bitcoin transaction if I don't mind waiting a few hours for confirmation?"},{"title":"Pre-send fee estimation for wallet app","prompt":"Before I send this Bitcoin transaction, what are the current mempool fee recommendations for fast, medium, and slow confirmation speeds?"}],"resultDescription":"A JSON object with five integer fee rate fields in sat/vB: fastest_fee (next-block confirmation), half_hour_fee (within 30 min), hour_fee (within 1 hour), economy_fee (low priority), and minimum_fee (bare minimum accepted by mempool).","failureModes":["Upstream mempool data unavailable — service may return an error if mempool.space data source is unreachable","Payment failure — request rejected if USDC micropayment via x402 is not provided or insufficient","Rate limiting — excessive requests may be throttled"],"whenToPreferThis":"Use this endpoint when you need real-time Bitcoin mempool fee recommendations without setting up an account or API key. Ideal for AI agents that need instant, pay-per-call access to fee data before constructing or broadcasting Bitcoin transactions. Prefer this over self-hosted mempool nodes when simplicity and zero-setup are priorities.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T17:26:06.335Z","isFirstParty":false,"canonicalSlug":"bitcoin-mempool-recommended-fees-38247cba"}