{"uid":"cap_mPmiSGBTMUQP5x6Fwkzrs","slug":"predict-memoryapi-org-74ebe2ee","name":"Prediction Market Cross-Platform Arbitrage Finder","description":"Find prediction market arbitrage across Polymarket, Kalshi, and Manifold.","url":"https://predict.memoryapi.org/x402/predict/platform_arb","method":"GET","headers":{},"bodySchema":{"properties":{"input":{"required":["method"],"properties":{"method":{"enum":["GET"],"type":"string"}}}}},"responseSchema":null,"example":{"request":{"q":"Bitcoin price prediction","tag":"crypto","limit":10},"response":{"pairs":[],"source":"Polymarket + Kalshi + Manifold","success":true,"disclaimer":"Cross-platform prediction market data. Verify independently before trading.","matches_found":0,"arb_opportunities":0,"platforms_checked":{"kalshi":50,"manifold":0,"polymarket":50}}},"exampleRequest":{"q":"Bitcoin price prediction","tag":"crypto","limit":10},"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Soawywk7U_7YDt5XS7wkF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Identifies arbitrage opportunities across Polymarket, Kalshi, and Manifold prediction markets where the same event is priced differently.","exampleAgentPrompt":"Can you scan Polymarket, Kalshi, and Manifold right now and find any arbitrage opportunities where the same event is priced differently enough to profit?","exampleUseCases":null,"resultDescription":"A list of arbitrage opportunities across Polymarket, Kalshi, and Manifold, including the market event, the implied probability or price on each platform, the price discrepancy, and the estimated profit margin available from exploiting the spread.","failureModes":["No arbitrage opportunities found at current time — markets may be efficiently priced","Rate limiting or payment failure for the $0.001 USDC per call fee","One or more upstream platforms (Polymarket, Kalshi, Manifold) temporarily unavailable","Stale pricing data if market moved before response is returned"],"whenToPreferThis":"Use this endpoint when you want to simultaneously scan multiple prediction market platforms for pricing inefficiencies on the same event, rather than checking each platform separately. Ideal for trading bots or research agents looking to exploit cross-platform mispricings. Prefer over single-platform endpoints when the goal is arbitrage rather than browsing or researching a specific market.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:32:57.260Z","isFirstParty":false}