{"uid":"cap_yTB4FmLlaJJ-8bk3jKIfK","slug":"bitcoin-mempool-snapshot-0ba388dc","name":"Bitcoin Mempool Snapshot","description":"Live snapshot of the Bitcoin mempool: number of unconfirmed transactions, total pending virtual size (bytes and MB), the current backlog in blocks, total fees pending (sats and BTC), the fee-rate histogram, and the current chain tip height. Lets an agent gauge network congestion and time a transaction.","url":"https://chain.openverbs.com/v1/btc-mempool","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","properties":{},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.006","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":"$0.006/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_YmfxBeGVBDsXz4hNNL0rh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.006","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, pending virtual size, block backlog, total pending fees, fee-rate histogram, and current chain tip height.","exampleAgentPrompt":"What does the Bitcoin mempool look like right now — how many unconfirmed transactions are waiting, how many blocks of backlog is there, and what are the total fees pending?","exampleUseCases":[{"title":"Time a Bitcoin transaction send","prompt":"Is the Bitcoin mempool congested right now? I want to know how many unconfirmed transactions are queued up, how many blocks of backlog there are, and total fees pending so I can decide whether to send my transaction now or wait."},{"title":"Monitor Bitcoin network health","prompt":"Give me a live snapshot of the Bitcoin mempool — unconfirmed transaction count, pending virtual size in MB, block backlog, and the fee-rate histogram so I can see how the network is performing."},{"title":"Estimate transaction wait time","prompt":"How backed up is the Bitcoin network right now? I need the current mempool stats including total pending transactions, block backlog, and total fees sitting in the queue to gauge how long my transaction might wait."}],"resultDescription":"Returns a live mempool snapshot including: number of unconfirmed transactions, total pending virtual size in bytes and MB, current block backlog count, total pending fees in both satoshis and BTC, a fee-rate histogram showing distribution of transactions across fee-rate buckets, and the current Bitcoin chain tip height.","failureModes":["Network connectivity issues reaching the Bitcoin node may return a 503 or timeout","Payment failure or insufficient USDC balance results in a 402 Payment Required response","Malformed request body returns a 400 Bad Request","Bitcoin node temporarily out of sync may return stale or incomplete data"],"whenToPreferThis":"Use this endpoint when an agent needs a comprehensive, real-time overview of Bitcoin mempool conditions — especially when making decisions about transaction timing, estimating confirmation delays, or monitoring network congestion. Prefer this over fee-rate-only endpoints when you need the full picture including block backlog, total pending fees, and the fee-rate histogram in one call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:43:55.612Z","isFirstParty":false}