{"uid":"cap_cBkbS8vRCQ_dy8j_eTRDU","slug":"cryptyx-composite-momentum-signals-be2da7ce","name":"CRYPTYX Composite Momentum Signals","description":"N-day rolling delta on composite scores (master + per-class) with direction label (building / fading / steady). Detects conviction acceleration or decay — \"is this composite gaining or losing energy?\" Complements /signals/composite/heatmap (levels) with change-detection. Runs across 200+ digital assets — BTC, ETH, SOL, top-cap + long-tail coverage.","url":"https://cryptyx.ai/api/signals/composite/momentum","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"window":{"type":"number","description":"Lookback days (2-14)"},"horizon":{"type":"string","description":"Forward return horizon: 7d, 14d, or 30d"}}},"responseSchema":{"momentum":[{"asset":"BTC","delta":0.04,"score_1d":0.42,"score_7d":0.38}]},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.05/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_LcWP6Tp_GJfRB_8UigLAQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns composite momentum scores and delta values across multiple digital assets for a specified lookback window and forward return horizon","exampleAgentPrompt":"Pull CRYPTYX composite momentum scores for all tracked assets using a 7-day lookback window and a 14-day forward return horizon so I can see which crypto assets have the strongest momentum right now.","exampleUseCases":[{"title":"Rank crypto assets by momentum","prompt":"Pull up the latest composite momentum scores across all digital assets and rank them from strongest to weakest so I can quickly identify which coins have the best momentum signals heading into this week."},{"title":"Screen portfolio for momentum shifts","prompt":"Run CRYPTYX momentum scores on my current crypto holdings using a 14-day lookback window and flag any assets where the momentum delta has turned negative so I know what might need trimming."},{"title":"Build quantitative crypto trading signals","prompt":"Grab composite momentum scores and delta values for all tracked crypto assets using a 30-day forward return horizon so I can feed the top-ranked signals into my quant trading workflow before the market opens."}],"resultDescription":"Returns an array of momentum objects per asset, each containing the asset ticker (e.g. BTC), a momentum delta value, a 1-day momentum score, and a 7-day momentum score — enabling ranking and comparison of momentum strength across digital assets.","failureModes":["Invalid window value outside 2-14 range returns a 400 error","Invalid horizon value (not 7d, 14d, or 30d) returns a 400 error","Insufficient payment or missing x402 payment header returns a 402 payment required error","Service unavailable due to data pipeline delays may return a 503","Empty asset list returned if no assets meet signal thresholds"],"whenToPreferThis":"Use this endpoint when you need a multi-asset, composite momentum view with configurable lookback and forward-return horizons — ideal for portfolio screening, ranking assets by momentum, or building quantitative signals into trading workflows. Prefer this over single-asset price feeds when you want aggregated intelligence across many tokens simultaneously.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:02:46.965Z","isFirstParty":false}