{"uid":"cap_g_A4XdoPtH1SWJ5iqsuJg","slug":"vextorium-polymarket-events-api-fa9a105b","name":"Vextorium Polymarket Events API","description":"Polymarket events with all their markets: elections, Fed decisions, sports, crypto... Each event with the probability of every option (candidate, rate range, team), volume and close date; top by volume or matching a search.","url":"https://api.vextorium.com/polymarket-eventos-pago?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"buscar":{"type":"string"},"limite":{"type":"integer"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_iBG0GJd8kaOJOEA0lA26A","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves Polymarket prediction market events with per-option probabilities, volume, and close dates — searchable or ranked by volume","exampleAgentPrompt":"What are the top 10 Polymarket events by volume right now, including the probability for each option and when they close?","exampleUseCases":[{"title":"Election odds research","prompt":"Search Polymarket for all US election events and show me the probability for each candidate, plus the total volume and close date for each market."},{"title":"Fed rate decision probability lookup","prompt":"What does Polymarket currently say about the probability of each Fed interest rate outcome at the next FOMC meeting? Show me the top events by volume."},{"title":"Top crypto prediction markets","prompt":"Find the most active Polymarket prediction markets related to crypto — show me the options, their probabilities, and 24-hour volume for the top 5."}],"resultDescription":"Returns a list of Polymarket events, each containing the event name, slug, link, close date, number of markets, 24h and total volume in USD, and an array of market options with per-option slugs, probabilities (as percentages), and volume in USD. Also includes a source note and search term echo.","failureModes":["No events found for a very specific or misspelled search query","Polymarket data unavailable or stale if upstream API is down","Rate limiting if called too frequently","Empty markets array if an event has no active markets","Invalid body type returns schema validation error"],"whenToPreferThis":"Use this endpoint when you need real-time prediction market probabilities and volumes from Polymarket across elections, Fed decisions, sports, and crypto events. Prefer it over manual Polymarket browsing when you need structured, machine-readable probability data for multiple events at once, or when building a dashboard or alert system around prediction market movements.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:35:03.377Z","isFirstParty":false,"canonicalSlug":"vextorium-polymarket-events-api-fa9a105b"}