{"uid":"cap_PE6ktcHzfUUedOLvqriah","slug":"api-carbon-cashmere-de-b1cb8944","name":"Bitcoin Mempool Live Intelligence API","description":"Professional crypto market intelligence. Real-time prices, signals, and market scoring.","url":"https://api.carbon-cashmere.de/v1/mempool/live","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"source":"local_node","mempool":{"fees":1.23,"trend":"rising","size_mb":78.3,"pressure":"medium","tx_count":45230},"whale_txs":[{"usd":12679830,"txid":"abc123...","fee_rate":28.5,"confirmed":false,"total_output_btc":150}],"btc_price_usd":84532.1,"fee_estimates":[{"sat_vb":25.3,"target":"next_block","usd_avg_tx":2.98}],"whale_summary":{"largest":450,"avg_size":156.3,"count_24h":8,"total_btc":1250.5},"fee_distribution":{"buckets":[{"range":"0-1 sat/vB","tx_count":5432}],"rbf_pct":15.2,"rbf_count":2345,"cpfp_candidates":890}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_UEbomsiyIb4AijflvRrh1","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time Bitcoin mempool status including 6-tier fee estimates, fee distribution, RBF stats, whale transactions (>1 BTC), recent blocks, BTC alerts, and 2-hour trend analysis","exampleAgentPrompt":"What are the current Bitcoin mempool conditions — specifically what fee tiers should I use right now, any big whale transactions happening, and is the network congested?","exampleUseCases":null,"resultDescription":"Returns a JSON object containing: mempool status object, array of 6-tier fee estimates with USD costs, fee distribution buckets, RBF statistics, array of real-time whale transactions over 1 BTC, whale summary, recent block list, BTC event alerts array, 2-hour trend analysis object, and current BTC price in USD — all sourced from a live local Bitcoin Core node.","failureModes":["Bitcoin Core node temporarily unavailable — returns 5xx error","Rate limit exceeded at $0.03/call — returns 402 or 429","Mempool data momentarily stale if node is syncing","Empty whale_txs array if no transactions exceed 1 BTC threshold recently","Network connectivity issues to local node returning partial data"],"whenToPreferThis":"Choose this endpoint when you need comprehensive, real-time Bitcoin mempool intelligence in a single call — especially when you need fee optimization with USD cost context, whale transaction monitoring, RBF awareness, and trend analysis together. Prefer over generic blockchain explorers when you need AI-agent-friendly structured data with multi-tier fee recommendations directly from a local Bitcoin Core node rather than third-party aggregators.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:57:32.779Z","isFirstParty":false}