{"uid":"cap_24VqQRIiGXUhwr6ml1VCc","slug":"swaphunt-alt-season-detector-6ff9e284","name":"SwapHunt Alt-Season Detector","description":"Alt-season detector: what % of the top-10 alts have outperformed BTC over the lookback window, with a 0-100 index and a boolean verdict. Use to time BTC↔alt rotation. Complements /dominance (capital location) with relative-performance signal.","url":"https://x402.swaphunt.dev/v1/market/alt-season","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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"days":{"type":"integer","default":7,"description":"Lookback period in days (1-30)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_UJ-HfvQoj8ibb_ubkLyU2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a 0-100 alt-season index, percentage of top-10 altcoins outperforming BTC, and a boolean verdict over a configurable lookback window to signal BTC-to-alt rotation timing.","exampleAgentPrompt":"Check the alt-season detector with a 14-day lookback — I want to know the current 0-100 index score, what percentage of the top-10 alts are beating BTC, and whether it's technically alt season right now so I can decide whether to rotate out of Bitcoin.","exampleUseCases":null,"resultDescription":"Returns a 0-100 alt-season index score, the percentage of top-10 altcoins that have outperformed BTC over the lookback period, and a boolean true/false verdict indicating whether alt season conditions are currently met.","failureModes":["Invalid 'days' parameter outside 1-30 range returns validation error","Market data unavailability for one or more top-10 alts may cause partial or error response","Stale pricing data during exchange outages could skew the index","Missing required method/type fields in input returns 400-level error"],"whenToPreferThis":"Use this endpoint when you need a single synthesized signal for BTC-vs-altcoin rotation timing based on relative performance of the top-10 alts. Prefer this over raw BTC dominance endpoints when you want a performance-relative (not capital-flow) verdict. Best combined with /dominance for a complete rotation picture.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:47:21.405Z","isFirstParty":false}