{"uid":"cap_yiFoy5FXwFFHPO8gN-t8h","slug":"arkham-polymarket-event-lookup-f679ab9b","name":"Arkham Polymarket Event Lookup","description":"Get an Arkham Polymarket event. $0.20 per call.","url":"https://api.arkm.com/x402/polymarket/event","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"eventId":{"anyOf":[{"type":"string"},{"type":"number"},{"type":"boolean"},{"type":"array","items":{"anyOf":[{"type":"string"},{"type":"number"},{"type":"boolean"}]}}],"description":"Required. Polymarket event ID."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.2","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":"$0.2/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__ki6RcFJHcBr0rVwFFlNW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.2","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves Arkham-enriched data for a specific Polymarket prediction market event","exampleAgentPrompt":"Pull up the Arkham Polymarket event data for the 2024 US presidential election market — I want to see the event details, outcomes, and any available trading stats.","exampleUseCases":[{"title":"Research prediction market odds","prompt":"Can you fetch the Arkham Polymarket event data for the Bitcoin ETF approval market? I want to see the current probabilities and market details."},{"title":"Monitor upcoming political event markets","prompt":"Look up the Polymarket event for the next Fed interest rate decision on Arkham — I need the event metadata and outcome options."},{"title":"Analyze onchain prediction market activity","prompt":"Get the Arkham Polymarket event info for the Ethereum ETF approval market so I can see what the current market looks like and who is trading it."}],"resultDescription":"Returns structured data about a specific Polymarket prediction market event as enriched by Arkham Intelligence, including event metadata, outcome options, market statistics such as volume and liquidity, and potentially onchain entity/address labels linked to market activity.","failureModes":["Invalid or unknown event ID/slug returns an error or empty result","Network timeout or API unavailability returns a 5xx error","Incorrect authentication or missing x402 payment header returns a 401/402 error","Malformed request body returns a 400 bad request error","Event exists on Polymarket but has no Arkham enrichment data available"],"whenToPreferThis":"Use this endpoint when you need Arkham-enriched intelligence on a specific Polymarket prediction market event — particularly when you want onchain entity labeling, address-level insights, or Arkham's proprietary intelligence layered on top of raw Polymarket data. Prefer this over direct Polymarket APIs when the goal is understanding who is behind market activity or correlating prediction market data with onchain flows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:02:27.170Z","isFirstParty":false}