{"uid":"cap_8jq3EZX34xNIGVPCXcpw2","slug":"emc2ai-io-3db16847","name":"EMC2 AI Polymarket Chain Compare","description":"Compare Polymarket API vs Polygon blockchain events for latency arbitrage, whale signals, settlement predictions. (with AI analysis)","url":"https://emc2ai.io/x402/bitquery/polymarket-chain-compare","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"string","description":"Maximum number of results to return (default: 10, max: 500)"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.6","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":"$0.6/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.6","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.6","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_QRXJaDUQmKSulEYrB3woU","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.6","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Compares Polymarket API data against Polygon blockchain events to surface latency arbitrage opportunities, whale signals, and settlement predictions with AI analysis","exampleAgentPrompt":"Can you check if there's a latency gap or whale activity between the Polymarket API and Polygon chain data for the 2024 US election market right now, and give me the AI analysis on settlement probability and any arbitrage signals?","exampleUseCases":[{"title":"Detect whale positioning before API updates","prompt":"Monitor the Polygon chain for large wallet movements on the climate policy prediction market and alert me when whale accumulation patterns diverge from what Polymarket's API is showing yet—I want to get ahead of the price move."},{"title":"Find real-time arbitrage windows","prompt":"I'm watching two major sports betting markets on Polymarket right now. Can you surface any latency gaps between the live blockchain events and the API feed where I could profit from the timing mismatch before the prices converge?"},{"title":"Validate settlement outcomes with on-chain evidence","prompt":"The tech IPO prediction market is approaching settlement next week. Cross-reference Polygon chain activity and Polymarket API data to give me your best AI-powered prediction on how this resolves, plus flag any whale position exits that might hint at the true outcome."}],"resultDescription":"Returns a comparative analysis of Polymarket API data versus Polygon blockchain event data, including detected latency arbitrage windows, large wallet (whale) accumulation or exit signals, AI-generated settlement predictions, and risk-scored trading signals derived from on-chain vs API discrepancies.","failureModes":["Invalid or unsupported Polymarket market ID returns error","Polygon RPC or Bitquery data unavailable causing partial results","No latency discrepancy detected returns empty arbitrage signals","Market already settled returns stale or irrelevant data","Payment of 1.15 USDC not confirmed causes 402 rejection"],"whenToPreferThis":"Choose this endpoint when you need to cross-reference Polymarket's centralized API feed with raw Polygon blockchain events to uncover information asymmetries, detect whale positioning before it is reflected in the API, or predict settlement outcomes using on-chain evidence — especially when latency arbitrage between the two data sources is the core use case.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:46:59.236Z","isFirstParty":false}