{"uid":"cap_AadXSxtjxk0eWcoTnrpUY","slug":"bitcoin-benji-mempool-intelligence-api-ea6c13d2","name":"Bitcoin Benji Mempool Intelligence 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","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"type":"json"},"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__KqjhEMg6E_jnI2kU0DI1","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 real-time Bitcoin mempool data and transaction intelligence via a pay-per-call Lightning/L402-gated GET endpoint","exampleAgentPrompt":"What are the current Bitcoin mempool fees and how congested is the network — I need to know whether to send my transaction now or wait for lower fees?","exampleUseCases":[{"title":"Optimal fee timing for Bitcoin send","prompt":"I want to send some Bitcoin — can you check the current mempool and tell me what fee rate I should use to get confirmed within the next couple of blocks without overpaying?"},{"title":"Mempool congestion alert for trading bot","prompt":"Check the Bitcoin mempool right now and let me know if it's heavily congested — I need to decide whether to proceed with an on-chain settlement or hold off."},{"title":"Real-time fee dashboard for wallet app","prompt":"Pull the latest mempool stats for me — I want to see the current low, medium, and high priority fee rates so I can display them to my users."}],"resultDescription":"A JSON object containing real-time Bitcoin mempool metrics such as pending transaction count, fee rate estimates across priority tiers (low/medium/high in sat/vbyte), mempool size in bytes, and network congestion indicators. Exact fields depend on the API's current schema version.","failureModes":["402 Payment Required — L402 token missing or invalid, Lightning invoice must be paid first","401 Unauthorized — invalid or expired macaroon/L402 credential","503 Service Unavailable — upstream Bitcoin node or mempool data source is unreachable","Rate limiting if payment token is reused or expired","Network timeout if Lightning payment settlement is delayed"],"whenToPreferThis":"Choose this endpoint when you need real-time, pay-per-call Bitcoin mempool data without committing to a subscription or API key. Ideal for agents that occasionally need fee intelligence, wallet applications surfacing fee recommendations, or automated bots that need to make on-chain transaction decisions dynamically. Prefer this over free public mempool explorers when you want a programmatic, machine-readable JSON response with a reliable SLA and micropayment-gated access.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:46:25.697Z","isFirstParty":false}