{"uid":"cap_NiGMhxusO-ARjFXaGTskc","slug":"api-paysponge-com-6eac2330","name":"Paysponge Polymarket Markets Listing","description":"Fetch Polymarket market listings via Paysponge pay-to-access endpoint; supports multi-asset crypto payments on EVM and Solana networks.","url":"https://api.paysponge.com/x402/purchase/svc_d5y7k40sm2ntn45xr/polymarket/markets","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","additionalProperties":true}},"additionalProperties":false}},"additionalProperties":false},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_iFEYUbU24KHvy-CPSzS2f","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches Polymarket prediction market listings via a pay-per-call crypto-gated endpoint accepting USDC on EVM and Solana networks.","exampleAgentPrompt":"Can you pull up the current list of available Polymarket prediction markets for me? I'll pay with USDC.","exampleUseCases":null,"resultDescription":"Returns a JSON object containing Polymarket market listings including market metadata such as market IDs, titles, descriptions, outcomes, liquidity, and trading status for currently available prediction markets.","failureModes":["Payment not received or insufficient USDC balance — returns 402 Payment Required","Invalid or unsupported chain/token used for payment — payment rejected","Polymarket API unavailable upstream — returns 502 or 503 error","Request malformed or unexpected query parameters — returns 400 Bad Request","Rate limit exceeded — returns 429 Too Many Requests"],"whenToPreferThis":"Choose this endpoint when you need programmatic access to Polymarket market listings and are comfortable paying micro-fees in USDC via EVM or Solana. Prefer it over direct Polymarket API access when using the x402 pay-per-call pattern or when integrating into a crypto-native agent workflow that already handles on-chain payments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:36:36.709Z","isFirstParty":false}