{"uid":"cap_JkRtcubKYvXit_kJ1GKd-","slug":"carbon-cashmere-signal-api-coin-features-b0c99602","name":"Carbon & Cashmere Signal API – Coin Features","description":"Professional crypto market intelligence. Real-time prices, signals, and market scoring.","url":"https://api.carbon-cashmere.de/v1/features/ETH","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"coin":"BTC","features":{"fear_greed":28,"volatility_7d":0.032,"price_return_24h":-0.012},"feature_count":34}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ByDggoZyFfrmgSjBQN2LL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time crypto market intelligence features for a specific coin, including fear/greed index, volatility, price return, and up to 34 quantitative signals.","exampleAgentPrompt":"Pull the Carbon & Cashmere market intelligence features for ETH right now — I want to see the fear/greed score, 7-day volatility, and 24-hour price return.","exampleUseCases":null,"resultDescription":"A JSON object containing the coin ticker, a features object with quantitative metrics including fear_greed index (integer), 7-day volatility (decimal), 24-hour price return (decimal), and a feature_count integer indicating total number of signals available (up to 34).","failureModes":["Unsupported or misspelled coin symbol returns 404 or empty features","Payment not processed causes 402 Payment Required response","Rate limiting or quota exceeded returns 429","Network timeout if upstream price feed is delayed","Stale data if market feed has an outage"],"whenToPreferThis":"Use this endpoint when you need structured, quantitative market intelligence for a single cryptocurrency — especially when you want normalized signals like fear/greed, volatility, and momentum in one call rather than assembling raw OHLCV data yourself. Prefer this over raw exchange APIs when you need pre-computed features ready for downstream ML or decision logic.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:46:39.107Z","isFirstParty":false}