{"uid":"cap_rCsFB-GLItXMo-8o5fffL","slug":"synthora-polymarket-odds-movers-17a56941","name":"SYNTHORA Polymarket Odds Movers","description":"Polymarket odds movers: active markets ranked by biggest price swing in the last 1h / 24h / 1wk (window param), with yes price, change and direction, best bid/ask, spread, 24h volume, liquidity and end date.","url":"https://polymarket-odds-movers.hergertsynthora.com/service","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"integer","description":"Max markets (1-50, default 15)"},"window":{"type":"string","description":"1h | 24h | 1wk (default 24h)"},"min_volume":{"type":"number","description":"Min 24h volume USD (default 10000)"}}},"responseSchema":{"type":"json","example":{"ok":true,"niche":"polymarket_odds_movers","result":{"count":15,"movers":[{"slug":"...","change":0.21,"spread":0.01,"end_date":"...","question":"...","direction":"up","yes_price":0.63,"liquidity_usd":80000,"volume_24h_usd":150000}],"window":"24h","up_count":9,"down_count":6,"markets_scanned":400,"biggest_move_abs":0.45}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ycnr8YQ9t2CebaSkoEfne","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns Polymarket prediction markets ranked by biggest price swing over a chosen time window (1h, 24h, or 1wk), with yes price, price change, direction, bid/ask spread, 24h volume, liquidity, and end date.","exampleAgentPrompt":"Show me the top 20 Polymarket markets with the biggest odds swings in the last 24 hours, but only include markets with at least $25,000 in daily volume.","exampleUseCases":[{"title":"Hourly prediction market alert scan","prompt":"Check Polymarket right now and show me the top 10 markets that have moved the most in the last hour — I want to see price change, direction, and spread for each."},{"title":"Weekly big-mover research digest","prompt":"Give me the 15 biggest Polymarket movers over the past week with at least $50,000 in 24h volume — I'm trying to spot which political or economic events have had the most dramatic probability shifts."},{"title":"Liquid market momentum screen","prompt":"Pull up the top 25 Polymarket markets ranked by biggest 24-hour price swing, filtering out anything with less than $20,000 in daily volume — I want yes price, change percentage, and how much liquidity each market has."}],"resultDescription":"A JSON object with an ok flag, the time window used, total markets scanned, a ranked list of up to 50 movers each containing the market slug, question text, yes price, price change, direction (up/down), bid/ask spread, 24h volume in USD, liquidity in USD, and end date — plus aggregate counts of up vs down movers and the single biggest absolute move observed.","failureModes":["Invalid window value (not 1h, 24h, or 1wk) may return an error or default behavior","limit outside 1-50 range may be clamped or rejected","min_volume set very high may return zero results","Polymarket data source unavailable causes fetch failure","Network timeout on the hergertsynthora.com host"],"whenToPreferThis":"Use this endpoint when you need a pre-ranked, real-time snapshot of which Polymarket prediction markets are experiencing the most significant price movement over a specific window, rather than querying individual market prices or doing your own sorting. It is ideal for trend detection, alerting workflows, momentum screens, and research digests that need volume-filtered, liquid markets with directional context — all in one structured response.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:37:53.264Z","isFirstParty":false}