{"uid":"cap_tPZ4hwwofAWhkGco_rYMW","slug":"api-carbon-cashmere-de-dd1245f9","name":"Carbon Cashmere BTC On-Chain Pulse Analytics","description":"Professional crypto market intelligence. Real-time prices, signals, and market scoring.","url":"https://api.carbon-cashmere.de/v1/onchain-pulse/btc","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"fees":{"regime":"low","percentile_90d":0.12,"next_block_satvb":2},"utxo":{"count":178400000,"velocity_24h":48000,"total_supply_btc":19847000},"_meta":{"source":"local_bitcoin_core_node","disclaimer":"Informational research data only — not investment advice."},"mempool":{"regime":"calm","size_mb":1.9,"pressure":"low","pressure_z_30d":-0.4},"adoption":{"segwit_pct":0.91,"segwit_slope_30d":0.003},"hashrate":{"trend":"expanding","current_eh":884.7,"momentum_7d":0.021},"difficulty_adjustment":{"blocks_until":1316,"hash_ribbon_status":"bullish_crossover","predicted_delta_pct":2.4}}},"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{}}},"response":{"fees":{"regime":"low","percentile_90d":0.3596389724600787,"six_block_satvb":1,"next_block_satvb":1},"utxo":{"count":165392632,"velocity_24h":12192,"total_supply_btc":20033776.15261272},"_meta":{"source":"local_bitcoin_core_node","warnings":null,"cache_hit":false,"timestamp":"2026-05-25T04:33:27Z","disclaimer":"Informational research data only — not investment advice.","data_points":null},"mempool":{"regime":"normal","size_mb":0.26,"pressure":"low","tx_count":799,"pressure_z_30d":0,"total_fees_btc":0.0048392},"adoption":{"segwit_pct":99,"taproot_pct":null,"segwit_slope_30d":0.0018282804906271709,"taproot_slope_30d":null},"hashrate":{"trend":"stable","current_eh":964.74,"momentum_7d":0.017287246061562955,"momentum_30d":-0.015165449970178657},"difficulty_adjustment":{"blocks_until":643,"hash_ribbon_status":null,"predicted_delta_pct":0}}},"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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_vkIHRoaKRAjIlX2x3GuMp","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a comprehensive snapshot of Bitcoin network health including mempool pressure z-score, hashrate momentum, fee regime, UTXO velocity, SegWit adoption, and difficulty adjustment prediction from a live Bitcoin Core full node.","exampleAgentPrompt":"Can you pull the latest Bitcoin on-chain pulse — I want to see current mempool pressure, fee regime, hashrate trend, SegWit adoption, and how far we are from the next difficulty adjustment?","exampleUseCases":null,"resultDescription":"A JSON object with seven sections: mempool (regime, size_mb, tx_count, pressure z-score over 30d, total_fees_btc), fees (regime, next_block and six_block sat/vb estimates, 90d percentile rank), hashrate (current EH/s, 7d/30d momentum, trend label), difficulty_adjustment (blocks_until, predicted_delta_pct, hash_ribbon_status), utxo (count, 24h velocity, total_supply_btc), adoption (segwit_pct, taproot_pct, 30d slopes), and _meta (timestamp, source, cache_hit, disclaimer).","failureModes":["Node sync lag may produce stale cache_hit=true data if Bitcoin Core is behind chain tip","mempool metrics may be near-zero during low-activity periods, making z-scores less meaningful","taproot_pct and hash_ribbon_status may return null if the node lacks sufficient historical data","HTTP 402 Payment Required if x402 USDC payment header is missing or invalid","HTTP 503 if the Postgres cache or Bitcoin Core node is temporarily unavailable"],"whenToPreferThis":"Use this endpoint when you need a multi-dimensional snapshot of Bitcoin network health from a single call — combining fee market, mempool congestion, miner activity, and adoption metrics together. Prefer this over generic block explorer APIs when you need statistically enriched signals like 30-day z-scores, momentum ratios, and trend classifications rather than raw block data. Best for research agents, crypto dashboards, and automated monitoring workflows that need actionable on-chain context about Bitcoin network conditions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:55:15.323Z","isFirstParty":false}