{"uid":"cap_xdECAUxCsmj_54sUrzer-","slug":"alpha-stream-agentdiet-dev-polymarket-live-prediction-market-odds-b8eb69d1","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://alpha-stream.agentdiet.dev/v1/polymarket-prediction-stream)","url":"https://alpha-stream.agentdiet.dev/v1/polymarket-prediction-stream?utm_source=zero.xyz","method":"GET","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_UhZq0gS0wXuFCeJukeczE","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"alpha-stream.agentdiet.dev","brandSlug":"alpha-stream-agentdiet-dev-mpp","brandBaseUrl":"https://alpha-stream.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Fetches live Polymarket orderbook data, Yes/No implied probabilities, trading volume, and whale sentiment for a given macro, crypto, or AI event topic","exampleAgentPrompt":"What are the live Polymarket odds right now for a Fed interest rate cut in 2025 — give me the yes/no implied probabilities, volume, and whether whales are leaning yes or no?","exampleUseCases":[{"title":"Crypto event probability research","prompt":"What's the current Polymarket implied probability that Ethereum gets a spot ETF approved this year? Show me yes/no odds and any whale sentiment."},{"title":"Election outcome market tracking","prompt":"Pull the live Polymarket prediction odds for the 2024 US presidential election — I want to see the implied probabilities and current trading volume for each candidate."},{"title":"Macro event sentiment analysis","prompt":"Check Polymarket right now for the probability of a US recession in the next 12 months — I want the yes/no odds and how much volume is behind it."}],"resultDescription":"Returns live Polymarket orderbook data for the queried topic, including implied Yes/No probabilities (as percentages or decimals), current trading volume, and whale sentiment indicators reflecting large-position trader positioning on the event outcome.","failureModes":["No matching Polymarket market found for the given topic keyword — returns empty or null market data","Stale or delayed orderbook data if Polymarket API is lagging","Ambiguous topic string matching multiple unrelated markets — may return incorrect market","Payment not processed (HTTP 402) if x402 micropayment fails","Rate limiting or timeout if upstream Polymarket data source is unavailable"],"whenToPreferThis":"Use this endpoint when you need real-time crowd-sourced probability estimates for macro, crypto, political, or AI events as expressed by actual money-backed prediction market participants on Polymarket. Prefer this over news sentiment or analyst forecasts when you want market-implied probabilities with volume and whale positioning context. Best for agents that need to quantify uncertainty around specific binary outcomes.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:56.864Z","isFirstParty":false,"canonicalSlug":"alpha-stream-agentdiet-dev-polymarket-live-prediction-market-odds-47b1e05a"}