{"uid":"cap_CudUp63IxpUIc2dWZbKIM","slug":"preflight-agentdiet-dev-polymarket-live-prediction-market-odds-cd452808","name":"Polymarket Live Prediction Market Odds & Implied Probability Feed","description":"Fetches live Polymarket prediction market orderbooks, implied Yes/No probabilities, volume, and whale sentiment for macro/crypto/AI events. (Live x402 v2, IETF MPP & MCP endpoint at https://preflight.agentdiet.dev/v1/polymarket-prediction-stream)","url":"https://preflight.agentdiet.dev/v1/polymarket-prediction-stream?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["topic"],"properties":{"topic":{"type":"string","minLength":1,"description":"Prediction market topic, event keyword, or question to query live Polymarket odds"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.01","displayCostAsset":"USD","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":"$0.01/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_fkrVfi5cL7QFcD1DT8yQ_","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"preflight.agentdiet.dev","brandSlug":"preflight-agentdiet-dev-mpp","brandBaseUrl":"https://preflight.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Fetches live Polymarket prediction market orderbooks, implied Yes/No probabilities, volume, and whale sentiment for macro, crypto, and AI events by topic keyword.","exampleAgentPrompt":"What are the live Polymarket odds and implied Yes/No probabilities for Bitcoin hitting $100k this year — include volume and any whale sentiment signals?","exampleUseCases":[{"title":"Crypto event probability check","prompt":"What are the current Polymarket odds that the SEC approves a spot Ethereum ETF? Give me the implied Yes probability, trading volume, and what whale traders are signaling."},{"title":"Macro economic prediction lookup","prompt":"Check Polymarket for the live implied probability of a US Federal Reserve interest rate cut in September — I want to see Yes/No odds and recent volume."},{"title":"AI regulatory event sentiment","prompt":"What does Polymarket currently show for the chances of major US AI regulation passing this year? Pull the live orderbook odds and whale sentiment for that topic."}],"resultDescription":"Returns a structured object containing live Polymarket orderbook data for the queried topic, including implied Yes and No probabilities, total trading volume, and whale sentiment signals derived from large-order activity in the market.","failureModes":["Topic keyword matches no active Polymarket market — returns empty or null result","Polymarket API upstream unavailable — may return 502 or timeout","Ambiguous topic string matches multiple markets — may return blended or unexpected results","Payment failure (HTTP 402) if USDC balance is insufficient","Rate limiting if the same topic is queried too rapidly without idempotency key"],"whenToPreferThis":"Use this endpoint when you need real-time, crowd-sourced probability estimates for macro, crypto, or AI events from Polymarket's decentralized prediction market. Prefer this over news APIs when you want market-implied probabilities and trader sentiment rather than editorial opinion. Best suited for agents that need quantitative Yes/No odds for event-driven decision-making or market research.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:30:21.406Z","isFirstParty":false,"canonicalSlug":"preflight-agentdiet-dev-polymarket-live-prediction-market-odds-1f4a176d"}