{"uid":"cap_ZtwGwiuSD_buETc8Ak15l","slug":"polymarketeer-vercel-app-c4ebccfb","name":"Polymarketeer Kalshi Trending Markets","description":"Get trending Kalshi markets sorted by 24-hour trading volume","url":"https://polymarketeer.vercel.app/api/x402/kalshi/markets/trending","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["data"],"properties":{"data":{},"error":{"type":"string"}},"additionalProperties":false},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3l-Pu91q8RmPuQadpgQFy","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns Kalshi prediction markets sorted by 24-hour trading volume to surface the most actively traded markets","exampleAgentPrompt":"What are the most actively traded Kalshi prediction markets right now — show me the ones with the highest 24-hour trading volume?","exampleUseCases":null,"resultDescription":"A ranked list of Kalshi prediction markets sorted by 24-hour trading volume, including market tickers, titles, and volume metrics indicating which contracts are seeing the most recent trading activity.","failureModes":["Kalshi API unavailable — upstream data fetch fails","No markets returned if Kalshi has no recent trading data","Payment failure if x402 USDC payment is not properly submitted","Rate limiting if called too frequently","Stale data if Kalshi volume data has not refreshed recently"],"whenToPreferThis":"Use this endpoint when you need to discover which Kalshi prediction markets are currently most active by trading volume — ideal for trend monitoring, market research, or identifying high-liquidity contracts. Prefer this over keyword search when you don't have a specific topic in mind and want to discover what traders are focused on right now.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:35:46.205Z","isFirstParty":false}