{"uid":"cap_5vdTd8bRv9jiKoxu7fY7C","slug":"hn-pulse-agentdiet-dev-polymarket-live-prediction-market-odds-implied-3dbe38ae","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://hn-pulse.agentdiet.dev/v1/prediction-markets)","url":"https://hn-pulse.agentdiet.dev/v1/prediction-markets?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":"0.015","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":"$0.015/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.015","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.015","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_-Jcv8MsKnfr64Wcg9lqEe","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.015","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"hn-pulse.agentdiet.dev","brandSlug":"hn-pulse-agentdiet-dev-mpp","brandBaseUrl":"https://hn-pulse.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Fetches live Polymarket prediction market orderbooks, implied Yes/No probabilities, trading volume, and whale sentiment for macro, crypto, and AI events by topic keyword.","exampleAgentPrompt":"What are the live Polymarket odds and implied Yes/No probability for a US Federal Reserve rate cut happening this quarter — including volume and whale sentiment?","exampleUseCases":[{"title":"Crypto event odds lookup","prompt":"What is the current Polymarket implied probability that Ethereum gets a spot ETF approved this year, and what's the trading volume and whale sentiment on that market?"},{"title":"Macro recession probability check","prompt":"Pull the live Polymarket odds on a US recession happening in 2025 — give me the Yes and No probabilities and any big-money sentiment signals."},{"title":"AI milestone market monitoring","prompt":"What are the latest Polymarket prediction market odds for GPT-5 or a major AGI announcement happening before the end of the year?"}],"resultDescription":"Returns a structured object containing live Polymarket orderbook data for the queried topic, including implied Yes/No probabilities, current trading volume, and whale (large trader) sentiment signals for the matched prediction market event.","failureModes":["No matching Polymarket market found for the given topic keyword — returns empty or null result","Topic string too vague to resolve to a specific market — may return multiple or unrelated markets","Polymarket data feed unavailable or delayed — stale or error response","Payment failure via x402 — 402 response requiring USDC payment before data is returned","Rate limiting or quota exceeded — HTTP 429 or equivalent error"],"whenToPreferThis":"Choose this endpoint when you need real-time crowd-sourced probability estimates for binary macro, crypto, political, or AI events sourced directly from Polymarket's orderbooks. It is preferable over static news sources or sentiment APIs when you want market-implied probabilities backed by real money, volume data, and whale activity. Best suited for agents doing financial risk assessment, event-driven trading signals, or real-time briefing generation on uncertain future events.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:01.021Z","isFirstParty":false,"canonicalSlug":"hn-pulse-agentdiet-dev-polymarket-live-prediction-market-odds-implied-3dbe38ae"}