{"uid":"cap_lr5z_OwKwvxAdotw5YuCY","slug":"quantx402-multi-asset-market-signal-api-480610c1","name":"QuantX402 Multi-Asset Market Signal API","description":"Kronos Forecast: the Kronos candlestick model signal for one symbol and interval as a standard JSON fact list (direction, confidence bucket, volatility-based range, invalidation level, per-step percentiles). Live: BTC-USD, ETH-USD 1h; stocks, forex and commodities rolling out. Experimental, not calibrated. Not financial advice.","url":"https://quantx402.app/api/v1/forecast?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["symbol"],"properties":{"tf":{"enum":["15m","1h","4h","1d"],"type":"string","description":"Candle timeframe"},"symbol":{"enum":["BTC-USD","ETH-USD","SOL-USD","XRP-USD","BNB-USD","DOGE-USD","ADA-USD","AVAX-USD","LINK-USD","SUI-USD"],"type":"string","description":"Crypto pair (BTC-USD, ETH-USD, SOL-USD, XRP-USD, BNB-USD, DOGE-USD, ADA-USD, AVAX-USD, LINK-USD, SUI-USD). US stocks & ETFs: /api/v1/stocks/forecast. Any other symbol: /api/v1/forecast/on-demand"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"symbol":"BTC-USD","prob_up":0.933,"_example":"EXAMPLE output for illustration only (captured/synthetic values); not live or current data. Not financial advice.","direction":"UP","band_80_pct":[0.39,1.418],"expected_move_pct":0.737,"invalidation_level":82954.2}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/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_xvYHx1Un8qJpQ3kCzuOLC","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a blended market forecast for a crypto symbol (BTC-USD, ETH-USD), including directional probability, expected move percent, 80% price band, and invalidation level.","exampleAgentPrompt":"What's the current hourly market signal for BTC-USD — direction, probability it goes up, expected move percent, and the invalidation level?","exampleUseCases":[{"title":"Pre-trade directional bias check","prompt":"Before I place a BTC trade, what's the current 1h forecast for BTC-USD — is it more likely to go up or down, and what's the probability?"},{"title":"Ethereum volatility range for risk sizing","prompt":"I need to size my ETH position — what's the 80% price band and expected move percent for ETH-USD on the 1-hour timeframe right now?"},{"title":"Automated crypto signal monitoring","prompt":"Check the QuantX402 forecast for BTC-USD and alert me if the probability of an upward move drops below 50% or the invalidation level is within 1% of current price."}],"resultDescription":"A JSON object containing: symbol (e.g. BTC-USD), prob_up (0–1 probability price moves up), direction (UP or DOWN), band_80_pct (low and high percentage bounds of the 80% confidence price range), expected_move_pct (expected percentage price move), and invalidation_level (price level at which the forecast is considered invalidated).","failureModes":["Unsupported symbol returns an error — currently only BTC-USD and ETH-USD are live","Missing required 'symbol' query parameter causes a 400-level error","Payment failure via x402 (insufficient USDC balance or wallet not set up) blocks the response","Timeframe enum value other than '1h' may be rejected or ignored","Stale or unavailable upstream market data may affect forecast freshness"],"whenToPreferThis":"Choose this endpoint when you need a fast, pre-computed, machine-readable market signal for BTC-USD or ETH-USD that combines directional probability, volatility bands, and invalidation levels in a single call — especially useful for AI trading agents making autonomous decisions or for pre-trade analysis workflows that need structured JSON output rather than raw price data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T06:42:51.072Z","isFirstParty":false,"canonicalSlug":"quantx402-multi-asset-market-signal-api-ce0b03df"}