{"uid":"cap_lXIPcT9Y2ORRbW6NczDce","slug":"genexxis-odds-top-prediction-markets-by-volume-db4883b0","name":"Genexxis Odds - Top Prediction Markets by Volume","description":"Most traded open prediction markets right now across Polymarket and Kalshi, ranked by 24h volume, with implied probabilities and links.","url":"https://odds.genexxis.com/top?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"],"type":"string"},"queryParams":{"type":"object","properties":{"limit":{"type":"string","description":"Number of markets (1-50, default 10)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"count":1,"errors":[],"markets":[{"id":"6102519","url":"https://polymarket.com/event/lol-g2-los-2026-10-24","venue":"polymarket","endDate":"2026-10-25T01:00:00Z","outcomes":[{"name":"G2 Esports","probability":0.9995},{"name":"LOS","probability":0.0005}],"question":"LoL: G2 Esports vs LOS (BO1) - Worlds Group Stage","volume24hUsd":4822370}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_wOVE5WjbKGHiAQgWUxmAz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the most actively traded open prediction markets across Polymarket and Kalshi, ranked by 24-hour volume, with implied probabilities and market links.","exampleAgentPrompt":"What are the top 20 most traded prediction markets on Polymarket and Kalshi right now, ranked by 24-hour volume, with their implied probabilities?","exampleUseCases":[{"title":"Daily briefing on hot prediction markets","prompt":"Give me the top 10 most traded prediction markets across Polymarket and Kalshi right now — I want to see what people are actively betting on today with their implied odds."},{"title":"Spotting high-liquidity markets for trading","prompt":"Show me the 25 most liquid prediction markets by 24-hour volume on Polymarket and Kalshi so I can find markets with tight spreads worth trading."},{"title":"Tracking crowd sentiment on major events","prompt":"Pull up the top 15 prediction markets by volume right now — I want to see what the crowd's current probability estimates are for the biggest ongoing events."}],"resultDescription":"A JSON array of up to 50 prediction markets sorted by 24-hour trading volume, each containing: market ID, question text, venue (polymarket or kalshi), end date, 24h USD volume, outcome names with implied probabilities (0-1), and a direct URL to the market.","failureModes":["Invalid limit parameter (outside 1-50 range) may return an error or default","Payment failure (x402 micropayment not completed) returns 402 status","Markets data may be slightly delayed relative to live exchange feeds","If no markets are currently active, count may return 0 with empty markets array"],"whenToPreferThis":"Use this endpoint when you need a ranked leaderboard of the most actively traded prediction markets across both Polymarket and Kalshi simultaneously, ordered by 24h volume. Prefer this over search-based endpoints when you want trending/popular markets rather than topic-specific ones, and over single-market detail endpoints when you need a broad market overview.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:33:30.465Z","isFirstParty":false,"canonicalSlug":"genexxis-odds-top-prediction-markets-by-volume-db4883b0"}