{"uid":"cap_p4AIGs0ELkjcLzb6INfhT","slug":"apex-runner-altcoin-season-signal-dbef2f5d","name":"APEX Runner Altcoin Season Signal","description":"APEX Runner: Altcoin Season Signal","url":"https://apexrunner.ai/signals/altcoin-season","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","index":"integer — altcoin season index 0-100 (>75 = altcoin season, <25 = bitcoin season)","signal":"string — market phase: altcoin_season, bitcoin_season, or neutral","example":{"index":42,"signal":"bitcoin_season","top_sector":"L1"},"top_sector":"string — strongest rotating sector: L1, DeFi, AI, Meme, or RWA"},"example":{"request":{"method":"GET"},"response":{"action":"Stay BTC/ETH heavy","components":{"dominance_score":8,"fear_greed_score":0,"altcoin_performance_score":0},"fear_greed":21,"season_label":"DEEP_BTC_SEASON","btc_dominance":56.13,"altseason_index":8}},"exampleRequest":{"method":"GET"},"tags":["x402"],"displayCostAmount":"0.175","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":"$0.175/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.007","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.007","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_00bt9MCaPjQj0SGeraH96","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.007","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns an altcoin season index (0-100), market phase signal, and top rotating sector to indicate whether altcoins or Bitcoin are currently dominating the market.","exampleAgentPrompt":"What's the current altcoin season index — is it altcoin season, bitcoin season, or neutral, and which sector like DeFi, AI, or Meme is rotating the strongest right now?","exampleUseCases":null,"resultDescription":"A JSON object with an integer altcoin season index from 0–100 (above 75 = altcoin season, below 25 = Bitcoin season), a string signal classifying the current market phase as 'altcoin_season', 'bitcoin_season', or 'neutral', and a top_sector string identifying the strongest rotating sector among L1, DeFi, AI, Meme, or RWA.","failureModes":["Data unavailable or stale market data returns 503","Payment not processed returns 402 Payment Required","Rate limiting on repeated calls returns 429","Invalid endpoint path returns 404"],"whenToPreferThis":"Use this endpoint when an agent needs to quickly classify the current crypto market cycle phase and identify the leading sector for rotation strategies, without needing full OHLCV data or exchange connectivity. Ideal for routing capital allocation decisions or filtering which assets to trade.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:49:07.582Z","isFirstParty":false}