{"uid":"cap_y3tdB_wseozxydtuqNUdt","slug":"agent-kiosk-prediction-market-arbitrage-scanner-b311db1d","name":"Agent Kiosk Prediction Market Arbitrage Scanner","description":"Unified Kalshi, Polymarket & Manifold Prediction Market Aggregator and Cross-Venue Probability Spread / Arbitrage Scanner.","url":"https://agent-kiosk.vercel.app/v1/prediction-arb?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"number","description":"Max markets to return (1-25)"},"query":{"type":"string","description":"Topic or event keyword to scan across Kalshi, Polymarket & Manifold (e.g. bitcoin, fed, election)"}}},"responseSchema":{"type":"json","example":{"query":"bitcoin","markets":[{"title":"Will Bitcoin reach $100k?","venue":"polymarket","volume_usd":14500000,"yes_probability_pct":62.5}],"total_scanned":65}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.015","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":"$0.015/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_m3sX8PijuD7YQ1v-nv_vp","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.015","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Aggregates prediction markets across Kalshi, Polymarket, and Manifold to surface cross-venue probability spreads and arbitrage opportunities by keyword.","exampleAgentPrompt":"Scan Kalshi, Polymarket, and Manifold for any bitcoin prediction markets and show me up to 15 results with their yes probabilities and volumes so I can spot any arbitrage spreads across venues.","exampleUseCases":[{"title":"Election odds arbitrage scan","prompt":"Search across Kalshi, Polymarket, and Manifold for any prediction markets about the 2024 election and return up to 20 results — I want to see if any venues have meaningfully different yes probabilities I could exploit."},{"title":"Fed rate cut probability comparison","prompt":"Pull up to 10 prediction markets about Fed interest rate cuts across all three venues and show me the yes probability and volume for each so I can compare where the market disagrees."},{"title":"Crypto event market aggregation","prompt":"Scan prediction markets on Kalshi, Polymarket, and Manifold using the keyword 'ethereum' and give me up to 25 results — I want the title, venue, volume, and probability for each market."}],"resultDescription":"Returns a JSON object containing the query keyword, a list of matched prediction markets (each with title, venue name, USD volume, and yes probability percentage), and the total number of markets scanned across all three platforms.","failureModes":["Query string missing or empty returns validation error","Limit out of 1-25 range returns error","Upstream venue APIs (Kalshi, Polymarket, Manifold) temporarily unavailable causing partial or empty results","No markets found for obscure or misspelled query returns empty markets array","Payment failure or insufficient USDC balance returns 402"],"whenToPreferThis":"Choose this endpoint when you need cross-venue prediction market data in a single call — particularly when looking for probability discrepancies or arbitrage spreads between Kalshi, Polymarket, and Manifold. Prefer it over querying each platform separately when you want normalized, aggregated results with volume and probability in one response.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T12:33:40.732Z","isFirstParty":false,"canonicalSlug":"agent-kiosk-prediction-market-arbitrage-scanner-b311db1d"}