{"uid":"cap_IwkFk67YJbgrNXXLcMHqe","slug":"xynaptic-crypto-screener-e4d6ead3","name":"Xynaptic Crypto Screener","description":"Xynaptic Crypto Screener — the market pulse: top gainers and losers 24h, highest volumes, most extreme moves from the top 250. GET ?limit=5. Fresh attention feed for trading agents.","url":"https://api.xynaptic.io/v1/crypto-screener?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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","additionalProperties":{"type":"string"}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_oqMG6CqyiAOwT6lhY9OgZ","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 top gainers, losers, highest volumes, and most extreme movers from the top 250 cryptocurrencies over the past 24 hours.","exampleAgentPrompt":"Show me the top 5 crypto gainers and losers from the last 24 hours, including the biggest volume movers and most extreme price swings from the top 250 coins.","exampleUseCases":[{"title":"Morning crypto market briefing","prompt":"Give me a quick market pulse — what are the top 5 biggest crypto gainers and losers in the last 24 hours so I can plan my trading day?"},{"title":"High-volume coin discovery for trading bot","prompt":"Pull the top 10 highest-volume cryptocurrencies right now from the top 250 — I need to feed fresh data into my momentum trading strategy."},{"title":"Extreme mover alert for portfolio review","prompt":"Which cryptocurrencies had the most extreme price moves in the last 24 hours? Show me the top 5 so I can decide if any of my holdings need attention."}],"resultDescription":"A ranked list of cryptocurrencies from the top 250, segmented by top gainers, top losers, highest trading volumes, and most extreme price moves over the past 24 hours, with relevant market metrics for each asset.","failureModes":["Invalid or out-of-range limit parameter returns an error or empty result","Payment failure (x402) if USDC balance is insufficient","Rate limiting if too many requests are made in a short window","Stale data if upstream market feed is delayed","Empty results if market data is temporarily unavailable"],"whenToPreferThis":"Choose this endpoint when you need a real-time attention-based crypto screener covering the top 250 coins — specifically to identify market leaders, laggards, and extreme movers by 24h performance and volume. Prefer it over generic price feeds when you want a pre-ranked, curated snapshot for trading signal generation or market briefings rather than raw price data for a specific coin.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T18:39:03.721Z","isFirstParty":false,"canonicalSlug":"xynaptic-crypto-screener-e4d6ead3"}