{"uid":"cap_zHCqFlEaVcpI2hoOPTsQ-","slug":"riddlex402-riddle-dispenser-6b871250","name":"RiddleX402 Riddle Dispenser","description":"Pay a micro-fee in USDC on Base mainnet to receive a riddle and its answer.","url":"https://riddlex402.vercel.app/api/riddle","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"],"type":"string"},"pathParams":{"type":"object"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__Asnh7EaKPQY3DKKkoRz4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a riddle and its answer after a $0.001 USDC micropayment on Base mainnet via the x402 payment protocol.","exampleAgentPrompt":"Give me a riddle and its answer — pay the tiny USDC fee on Base to get one from RiddleX402.","exampleUseCases":null,"resultDescription":"A riddle (the puzzle question) and its corresponding answer, delivered after the $0.001 USDC micropayment on Base mainnet is processed via the x402 protocol.","failureModes":["Insufficient USDC balance or missing payment header causes a 402 Payment Required response","Invalid or malformed x402 payment token results in rejection","Network issues on Base mainnet may delay payment confirmation","Rate limiting or server errors return 5xx responses"],"whenToPreferThis":"Use this endpoint when you want a fun riddle-and-answer pair and are comfortable making a $0.001 USDC micropayment on Base via the x402 protocol. Ideal for entertainment apps, chatbots, or agents that want to inject a riddle into conversation with crypto-native payment flow.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:36:51.746Z","isFirstParty":false}