{"uid":"cap_6m59KLCdzEV2uIoUfe_A1","slug":"api-carbon-cashmere-de-a2dce0ab","name":"Bitcoin On-Chain Network Intelligence","description":"Professional crypto market intelligence. Real-time prices, signals, and market scoring.","url":"https://api.carbon-cashmere.de/v1/onchain/btc","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"source":"local_node","mempool":{"size_mb":78.3,"pressure":"medium","tx_count":45230,"fee_trend":"rising","total_fees_btc":1.23},"network":{"difficulty":92047231342.4,"peer_count":18,"hashrate_eh":742.3},"last_block":{"height":891234,"size_kb":1543,"tx_count":3421},"fee_estimates":{"unit":"sat/vB","one_hour":12.1,"next_block":25.3,"thirty_min":18.5}}},"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":"down","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_qkhZoJs-CXQ0zXiE8kdRo","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 real-time Bitcoin network health metrics including hashrate, mining difficulty, block height, mempool transaction count, fee estimates by priority, and inter-block timing from a local Bitcoin Core node.","exampleAgentPrompt":"What are the current Bitcoin network stats right now — hashrate, mining difficulty, current block height, mempool size, and recommended fees for fast versus slow confirmation?","exampleUseCases":null,"resultDescription":"Returns a JSON object with Bitcoin network metrics: network hashrate in TH/s, current mining difficulty, latest block height, mempool transaction count, fee estimates broken down by confirmation priority tier, and average minutes between recent blocks — all sourced live from a local Bitcoin Core pruned node.","failureModes":["Bitcoin Core node temporarily unavailable — 503 or timeout","Blockchain.com or Blockstream data source unreachable — stale or missing fields","Payment not received or invalid x402 payment header — 402 Payment Required","Rate limit exceeded — 429 Too Many Requests"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive snapshot of Bitcoin on-chain health in a single call — combining hashrate, difficulty, block height, mempool depth, and fee estimates together. Prefer this over block-explorer scraping or exchange APIs when you need raw network fundamentals rather than price data, and when you need fee-priority tiers for transaction construction or wallet UX.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:44:04.230Z","isFirstParty":false}