{"uid":"cap_8nGYdOTTvhg7T1dkHJhTC","slug":"apex-runner-cross-asset-contagion-signal-4e06bf31","name":"APEX Runner Cross-Asset Contagion Signal","description":"APEX Runner exposes 60+ live crypto trading signals to AI agents via x402 micropayments — market regime, cross-exchange arbitrage, liquidation risk, and execution intelligence. Pay per call in USDC on Base, no API key. Signals derived from a system trading real capital on Kraken, Coinbase, and Hyperliquid.","url":"https://apexrunner.ai/signals/cross-asset-contagion?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"btc_move_4h_pct":-3.1,"contagion_active":true,"contagion_severity":"MODERATE","recommended_action":"REDUCE_EXPOSURE"},"predictions":"object — keyed by coin (ETH/SOL/AVAX), each with predicted_move_pct, lag_minutes, confidence, historical_correlation","btc_move_1h_pct":"float — BTC price change % over last 1 hour","btc_move_4h_pct":"float — BTC price change % over last 4 hours","contagion_active":"boolean — true when abs(4h move) >= 1.5%","data_points_used":"integer — HL grid fills analyzed for correlation","contagion_severity":"string — LOW / MODERATE / HIGH / EXTREME","recommended_action":"string — REDUCE_EXPOSURE / HEDGE_ALTS / SCALE_IN / MONITOR"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.007","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":"$10.5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"10.5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"10.5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_UEExvUQtkGNcDxWZONoWX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"10.5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Delivers a cross-asset contagion signal indicating risk spillover or stress propagation across crypto and traditional asset classes","exampleAgentPrompt":"Pull the current cross-asset contagion signal from APEX Runner — I want to know if there's stress spreading between crypto and other asset classes right now before I size my next trade.","exampleUseCases":null,"resultDescription":"Returns a cross-asset contagion signal value or score indicating the degree of risk spillover or stress propagation currently occurring across asset classes, likely including signal strength, direction, and affected assets or markets.","failureModes":["Payment of $15 USDC not completed — 402 Payment Required response","Signal data temporarily unavailable due to upstream market data feed outage","Rate limiting if called too frequently in a short window","Stale signal if underlying market data hasn't refreshed recently"],"whenToPreferThis":"Choose this endpoint when you need a pre-computed, AI-driven cross-asset contagion signal rather than computing raw correlations yourself. Ideal for trading agents that need a fast risk filter before executing trades on Kraken, Coinbase, or Hyperliquid, especially during volatile macro periods when contagion risk is elevated.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T07:25:21.037Z","isFirstParty":false,"canonicalSlug":"apex-runner-cross-asset-contagion-signal-4e06bf31"}