{"uid":"cap_B9xkJIwZyeWzQUu1o-gOs","slug":"polymarket-events-browser-via-2s-io-a6b27a74","name":"Polymarket Events Browser via 2s.io","description":"Browse Polymarket events (an event groups related markets — e.g. an election, a tournament, a price ladder). Optional keyword q, closed filter, order (volume/volume24hr/liquidity), and limit/offset. Each event returns its title, tags, USD volume + 24h volume, liquidity, dates, and the nested markets with their outcomes + live outcome prices (implied probabilities) and CLOB token ids. Read-only mirror of Polymarket's Gamma events.","url":"https://2s.io/api/predict/events","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","queryParams"],"properties":{"type":{"const":"http"},"method":{"const":"GET"},"queryParams":{"type":"object","properties":{"q":{"type":"string","maxLength":120,"description":"Keyword filter on event title/description."},"limit":{"type":"integer","maximum":100,"minimum":1},"order":{"enum":["volume","volume24hr","liquidity","startDate","endDate"],"type":"string"},"closed":{"type":"boolean"},"offset":{"type":"integer","minimum":0}},"additionalProperties":false}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.012","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":"$0.012/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.012","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.012","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_RQZd38Zk4v8kQHvkfnuhk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.012","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Browse and search Polymarket prediction market events with live outcome prices, volumes, liquidity, and nested market data","exampleAgentPrompt":"Pull up the top 20 Polymarket events about the 2024 US election sorted by 24-hour volume, and show me the live implied probabilities for each outcome.","exampleUseCases":null,"resultDescription":"Returns a list of Polymarket events, each with title, tags, total USD volume, 24h volume, liquidity, start and end dates, and nested markets containing their outcomes, live outcome prices (implied probabilities), and CLOB token ids for trading.","failureModes":["Invalid order enum value returns 400 error","offset beyond available results returns empty list","q keyword with no matching events returns empty array","limit exceeding 100 rejected with validation error","API unavailable or Polymarket Gamma outage returns 5xx"],"whenToPreferThis":"Use this endpoint when you need live Polymarket prediction market data including event browsing, keyword search, volume/liquidity ranking, or fetching nested market outcome prices and CLOB token ids. Prefer over direct Polymarket API access when you need pay-per-call simplicity via x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:54:11.409Z","isFirstParty":false}