{"uid":"cap_A-nP_Zf29AJTgyjbg67HO","slug":"bitcoin-mempool-snapshot-088a8336","name":"Bitcoin Mempool Snapshot","description":"Live Bitcoin mempool snapshot: unconfirmed transaction count, total virtual size and total fees, a fee-rate histogram broken into buckets, and an estimated block backlog. Informational, not advice.","url":"https://api.agentstools.dev/btc/mempool","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_NH9kHVtLHnADo_4KBrSjb","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 a live snapshot of the Bitcoin mempool including unconfirmed transaction count, total virtual size, total fees, a fee-rate histogram by bucket, and an estimated block backlog.","exampleAgentPrompt":"What does the Bitcoin mempool look like right now — how many unconfirmed transactions are there, what are the fee buckets, and how many blocks deep is the backlog?","exampleUseCases":null,"resultDescription":"A JSON object containing: count of unconfirmed transactions, total virtual size of the mempool in vBytes, total fees in satoshis, a fee-rate histogram broken into sat/vByte buckets, and an estimated block backlog count. The data reflects the live mempool state at time of call.","failureModes":["Network or upstream node unavailability returns a 5xx error","Payment not included or invalid returns a 402 Payment Required","Rate limiting may return a 429 Too Many Requests","Mempool data may be momentarily stale if upstream node is syncing"],"whenToPreferThis":"Use this endpoint when you need a holistic real-time view of the Bitcoin mempool — combining transaction count, fee histogram, total fees, and block backlog in a single call. Prefer this over the fee-rates-only endpoint when you need the full mempool picture, not just confirmation-time fee recommendations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T01:12:29.803Z","isFirstParty":false}