{"uid":"cap_gABZI6lcK3kwLx4oWWpCZ","slug":"blockrun-ai-9e33e157","name":"BlockRun.AI Crypto Up/Down Prediction Markets List","description":"List crypto up/down prediction markets","url":"https://blockrun.ai/api/v1/pm/polymarket/crypto-updown","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"object","properties":{"query":{"type":"object","required":[],"properties":{}}}},"output":{"type":"object","properties":{"example":{"type":"object","properties":{"data":{"type":"object"}}}}}}},"responseSchema":null,"example":{"request":{"input":{"body":{}}},"response":{"_truncated":true,"_originalSize":36475}},"exampleRequest":{"input":{"body":{}}},"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0085","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0085","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_cL91NKzY-2YSYq2mkFaa0","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0085","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Lists available cryptocurrency up/down prediction markets from Polymarket","exampleAgentPrompt":"Show me all the crypto up/down prediction markets currently listed on Polymarket.","exampleUseCases":null,"resultDescription":"A list of crypto up/down prediction markets from Polymarket, including market metadata such as market identifiers, asset pairs, outcomes, and related data fields.","failureModes":["Empty response if no markets are currently listed","402 Payment Required if x402 micropayment header is missing or insufficient","Service unavailable if Polymarket data feed is down","Truncated response for very large market lists"],"whenToPreferThis":"Use this endpoint when you need to discover or enumerate available cryptocurrency up/down binary outcome prediction markets from Polymarket. Prefer this over general crypto price feeds when you specifically want prediction market listings rather than spot prices.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:33:54.247Z","isFirstParty":false}