{"uid":"cap_ukCbtGNUzvDV-tsfv-bE2","slug":"x402-silverbackdefi-app-dedc614c","name":"SilverbackDeFi Correlation Matrix","description":"","url":"https://x402.silverbackdefi.app/api/v1/correlation-matrix","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"unknown","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_5Nw9fSzccbUbSDDdE0-Ll","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":"Computes a correlation matrix across multiple crypto assets to reveal how their prices move together over time","exampleAgentPrompt":"Can you compute the price correlation matrix for BTC, ETH, SOL, and AVAX so I can see which assets are moving together and which ones would help diversify my portfolio?","exampleUseCases":null,"resultDescription":"A correlation matrix showing pairwise correlation coefficients (typically -1 to 1) between all provided crypto assets, indicating how closely their price movements track each other over the specified time window.","failureModes":["Invalid or unrecognized token symbols return an error","Too many or too few tokens provided exceeds parameter limits","Insufficient historical data for requested time window","Network or upstream data feed unavailable","Payment failure or insufficient USDC balance blocks the request"],"whenToPreferThis":"Use this endpoint when you need to quantify statistical relationships between multiple crypto assets simultaneously — ideal for portfolio construction, risk management, hedging strategy, or identifying diversification opportunities. Prefer over manual calculations or generic finance APIs when working specifically with on-chain DeFi tokens and Base chain assets.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:45:07.345Z","isFirstParty":false}