{"uid":"cap_K2cA6kIjr7gzhseasEqi-","slug":"blockrun-polymarket-opinion-orderbooks-acd4c2b2","name":"BlockRun Polymarket Opinion Orderbooks","description":"Fetch historical orderbook snapshots for an Opinion market","url":"https://blockrun.ai/api/v1/pm/opinion/orderbooks","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"object","properties":{"query":{"type":"object","required":[],"properties":{}}}},"output":{"type":"object","properties":{"example":{"type":"object","properties":{"data":{"type":"object"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"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":"0.0085","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0085","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SHMctK82tGWjmKcYw_MVV","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0085","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns AI-generated opinion or live orderbook data for Polymarket prediction market events via a pay-per-call gateway settled in USDC.","exampleAgentPrompt":"What are the current orderbook prices and AI opinion on the upcoming US election outcome markets on Polymarket right now?","exampleUseCases":[{"title":"Real-time prediction market arbitrage detection","prompt":"Check the current bid-ask spreads across all active Polymarket crypto events right now and flag any opportunities where the spread looks abnormally wide compared to the implied probabilities."},{"title":"Live odds monitoring for sports betting","prompt":"Show me the latest orderbook data and market consensus for the next three major sports championship outcomes on Polymarket — I want to see if the odds have shifted since this morning."},{"title":"AI-powered political outcome forecasting","prompt":"Pull the current Polymarket orderbooks for the upcoming Senate elections and give me your best read on what the market's actually pricing in versus the polling data I saw yesterday."}],"resultDescription":"Returns structured orderbook data for Polymarket events, including bid/ask prices, probabilities, and potentially AI-synthesized opinions on market outcomes, delivered as a JSON data object.","failureModes":["Payment not settled — returns 402 if USDC payment on Base or Solana is not confirmed","No orderbook data available for the requested event — empty data object returned","Polymarket data feed unavailable — upstream data source error","Malformed request — missing or invalid query parameters","Rate limiting or gateway timeout from BlockRun infrastructure"],"whenToPreferThis":"Use this endpoint when you need Polymarket orderbook or opinion data without managing your own Polymarket API key, and want micropayment-settled access via USDC on Base or Solana. Ideal for AI agents needing lightweight, pay-per-call prediction market data access.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:05:04.542Z","isFirstParty":false}