{"uid":"cap_GvOD9x714SINTHEwWqX_f","slug":"wintergreen-x402-crypto-correlation-matrix-a71f479a","name":"Wintergreen x402 Crypto Correlation Matrix","description":"Payment-gated crypto trading intelligence for AI agents.\n    \n## Categories\n- **Hyperliquid Signals**: Real-time funding divergence, lead-lag correlation, liquidation clusters, session volume area levels\n- **Quant Methodology**: Backtesting walk-forward validation, strategy generation with kill battery (19 rules), risk management with Kelly sizing, regime detection, execution frameworks, agent orchestration\n- **Market Insights**: 22 crypto microstructure observations — funding, liquidation, orderbook, regime, flow, anomaly\n- **Power Markets**: ERCOT field guide, merit-order model, duck curve analysis\n- **Career Guides**: Firefighter oral board prep, medical coding, ATSA, contractor estimating\n- **Trust Scoring**: x402 endpoint verification, P2D badges\n\n## Payment\nAll paid endpoints return HTTP 402 with USDC on Base (eip155:8453). \nSign EIP-712 TransferWithAuthorization and retry with X-PAYMENT header.\nPayTo: 0xAe9834d71F1Bd989A0dc17593451af823E31CeeD","url":"https://x402.wintergreen.uk/api/v1/quant/correlation-matrix","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"symbols":{"type":"string"}}},"responseSchema":{},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_In58JvPkUskX-40Fef2bb","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a payment-gated cross-asset correlation matrix for specified crypto symbols using quantitative microstructure data.","exampleAgentPrompt":"Can you pull the correlation matrix for BTC, ETH, SOL, and ARB so I can see which pairs are moving together and where there might be diversification?","exampleUseCases":[{"title":"Crypto portfolio diversification check","prompt":"Get me the correlation matrix for BTC, ETH, SOL, AVAX, and ARB — I want to see which of these are too correlated to hold together in my portfolio."},{"title":"Pairs trading signal identification","prompt":"Pull the correlation data for ETH and SOL — I'm trying to set up a pairs trade and need to confirm they're historically correlated enough to be worth the spread."},{"title":"Regime-aware strategy validation","prompt":"Give me the cross-asset correlation matrix for BTC, ETH, and BNB so I can check whether my multi-asset quant strategy assumptions still hold in the current market regime."}],"resultDescription":"A correlation matrix showing pairwise statistical correlations between the requested crypto symbols, likely as a JSON object with symbol-keyed coefficients or a nested matrix structure. Exact response schema is undocumented but expected to reflect quantitative cross-asset relationships derived from Hyperliquid microstructure data.","failureModes":["HTTP 402 returned if payment header is missing or malformed — agent must sign EIP-712 TransferWithAuthorization and retry with X-PAYMENT header","Invalid or unsupported symbol names may return an error or empty matrix","Empty symbols parameter likely returns a 400 or empty result","Network latency or endpoint downtime on the x402.wintergreen.uk domain","Undocumented response schema means parsing failures are possible if structure changes"],"whenToPreferThis":"Choose this endpoint when you need quantitative cross-asset correlation data for crypto symbols, particularly from Hyperliquid microstructure sources, and you are operating in an x402 micropayment-capable agent environment. Prefer this over generic market data APIs when you need low-cost per-call pricing ($0.001 USDC) and the correlation is specifically needed for quant strategy validation, pairs trading, or portfolio diversification analysis in the crypto domain.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:40:24.883Z","isFirstParty":false}