{"uid":"cap_xbwqGOoccDTwnJE0T_x3y","slug":"api-carbon-cashmere-de-97e68778","name":"Carbon Cashmere On-Chain Fear & Greed Index","description":"Professional crypto market intelligence. Real-time prices, signals, and market scoring.","url":"https://api.carbon-cashmere.de/v1/onchain-fear-greed","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"score":81.4,"source":"bitcoin_core_node","cdd_score":90.1,"whale_score":93.9,"mempool_score":100,"classification":"Extreme Greed","hashrate_score":41.4,"components_used":4}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_CtxFjJTcQn_x_SAFVB7q2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a proprietary 0-100 Bitcoin on-chain Fear & Greed score aggregated from 4 components: Coin Days Destroyed, mempool pressure, hashrate trend, and whale balance changes — updated every 10 minutes from a self-hosted Bitcoin Core node.","exampleAgentPrompt":"What's the current Bitcoin on-chain Fear & Greed score right now — including the breakdown of coin days destroyed, mempool pressure, hashrate trend, and whale balance changes?","exampleUseCases":[{"title":"Timing portfolio rebalancing with whale activity","prompt":"I'm thinking about rebalancing my portfolio soon. Can you check the current Bitcoin on-chain Fear & Greed score and tell me what the whale balance changes component is showing? If whales are accumulating, I'd rather wait a bit longer before making moves."},{"title":"Assessing miner capitulation during downturns","prompt":"The Bitcoin price has dropped 15% this week. Pull the latest on-chain Fear & Greed breakdown for me, especially the hashrate trend and coin days destroyed — I want to know if this looks like a genuine capitulation event or just temporary volatility."},{"title":"Validating signals before executing large trades","prompt":"Before I execute this trade, give me a real-time read on Bitcoin's on-chain sentiment. I need the full Fear & Greed score with mempool pressure and whale balance changes — I want to make sure the on-chain data actually backs up what the price action is telling me."}],"resultDescription":"Returns a 0-100 Fear & Greed composite score along with the 4 component sub-scores: Coin Days Destroyed (smart-money flow), mempool pressure (sat/vB urgency), hashrate trend (miner sentiment), and whale balance changes. Also includes the current sentiment regime label and a timestamp indicating when the score was last updated (refreshed every 10 minutes).","failureModes":["Bitcoin Core node temporarily unavailable — upstream data gap returns 503 or stale data warning","Mempool or hashrate data feed lag causes partial component scores","Rate limiting if called too frequently — 429 response","Payment not processed correctly via x402 — 402 payment required error"],"whenToPreferThis":"Prefer this endpoint when you need a Bitcoin-specific sentiment score derived purely from on-chain blockchain data rather than price action or social media. It is independent of exchange price feeds, making it a complementary or contrarian signal. Ideal for trading strategy context, portfolio risk assessment, or monitoring shifts in miner/whale behavior that precede price moves.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:57:29.515Z","isFirstParty":false}