{"uid":"cap_1TI9dzaNE3PaKSo7GqTEj","slug":"bitcoin-benji-mempool-history-api-f5d4c6b2","name":"Bitcoin Benji Mempool History API","description":"L402-gated APIs: real-time Bitcoin mempool intelligence and private AI inference. Pay-per-call via Lightning. Zero API keys. Zero subscriptions.","url":"https://api.bitcoinbenji.com/mempool/history","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_shiAZuMqX-9NWHrdJhXs_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves historical Bitcoin mempool data including fee rates, transaction volumes, and congestion trends over time","exampleAgentPrompt":"Can you pull the Bitcoin mempool history from Bitcoin Benji so I can see how fee rates and congestion have trended over the past few days?","exampleUseCases":[{"title":"Bitcoin fee timing research","prompt":"Show me the historical mempool fee rates from Bitcoin Benji over the last week — I want to know what times of day tend to have the lowest fees so I can time my transactions better."},{"title":"On-chain congestion trend report","prompt":"Pull the Bitcoin mempool history from Bitcoin Benji and summarize how network congestion has changed over the past month — I'm writing a report on Bitcoin scalability."},{"title":"Automated fee alert baseline","prompt":"Fetch the recent mempool history from Bitcoin Benji so I can establish a baseline of typical fee levels and set up alerts when fees spike significantly above average."}],"resultDescription":"A JSON payload containing historical snapshots of the Bitcoin mempool, likely including time-series data on fee rates (sat/vB), pending transaction counts, mempool size in bytes, and block backlog metrics across the requested time window.","failureModes":["Payment not received or Lightning invoice expired — returns 402 Payment Required","Invalid or expired L402 token — returns 401 Unauthorized","Rate limit or token reuse — returns 403 Forbidden","Service unavailable or mempool node sync issue — returns 503","Malformed request parameters — returns 400 Bad Request","Empty result set if time range has no recorded data"],"whenToPreferThis":"Choose this endpoint when you need historical mempool data — fee rate trends, congestion history, or past transaction volume — for Bitcoin network analysis, fee optimization research, or on-chain data enrichment. It is uniquely suited for pay-per-call workflows via Lightning/L402 where you don't want to commit to a subscription. Prefer alternatives if you need real-time (live) mempool state rather than historical records, or if you need Ethereum/other chain data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:45:16.955Z","isFirstParty":false}