{"uid":"cap_Lm3LkVM_6I3NXDEYW5m4h","slug":"api-carbon-cashmere-de-207be82b","name":"Carbon Cashmere Crypto Dispersion Metrics","description":"Professional crypto market intelligence. Real-time prices, signals, and market scoring.","url":"https://api.carbon-cashmere.de/v1/dispersion","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"_meta":{"disclaimer":"Informational research data only — not investment advice."},"period":"30d","universe":"core","breadth_signals":{"new_lows_pct_30d":0.09,"new_highs_pct_30d":0.18,"advance_decline_ratio_7d":1.42},"diffusion_index_7d":0.61,"cross_sectional_vol":0.024,"diffusion_index_30d":0.42,"correlation_clusters":[{"id":1,"members":["BTC","ETH","SOL"],"avg_intra_corr":0.82}]}},"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_-E50DwoqiDVXwNqoJ3K1x","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 cross-sectional dispersion and breadth metrics for the crypto market, including volatility, correlation clusters, diffusion indexes, and advance-decline statistics across coins over 7d/30d/90d periods.","exampleAgentPrompt":"Can you pull the crypto market dispersion metrics for the last 30 days — I want to see the cross-sectional volatility, how coins cluster by correlation, and what the diffusion index looks like for 7-day and 30-day returns?","exampleUseCases":null,"resultDescription":"Returns a JSON object with: cross_sectional_vol (average std of returns across coins per timestamp), correlation_clusters array (2-5 hierarchical groups with avg intra-cluster correlation), diffusion_index_7d and diffusion_index_30d (percentage of coins with positive returns over those windows), advance-decline ratio, new highs/lows percentages, plus _meta, period, and universe fields. Covers 7d, 30d, or 90d periods.","failureModes":["Invalid or unsupported period parameter returns an error","Service unavailable if underlying price data feed is stale or offline","Rate limiting or payment failure returns 402 if x402 payment is not processed","Empty or malformed response if coin universe data is temporarily unavailable"],"whenToPreferThis":"Use this endpoint when you need market-wide breadth and dispersion analytics across many cryptocurrencies simultaneously — not individual coin data. Ideal for assessing whether a market move is broad-based or concentrated, studying correlation regime shifts, or measuring overall crypto market health over 7d/30d/90d horizons. Prefer this over individual coin price endpoints when the research question involves cross-sectional statistics.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:57:37.430Z","isFirstParty":false}