{"uid":"cap_neycwhT23qiKDz4fZOyyb","slug":"x402-useless-facts-api-a3ef223c","name":"x402 Useless Facts API","description":"Pay a tiny amount of USDC and receive one delightfully useless fact.","url":"https://x402uselessfacts.vercel.app/api/useless-fact?utm_source=zero.xyz","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":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_rMHudf_uJbxXk7dJj5OiH","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns one random, delightfully useless trivia fact in exchange for a micropayment of $0.001 USDC via the x402 payment protocol.","exampleAgentPrompt":"Give me one of those delightfully useless trivia facts — the kind that's completely pointless but weirdly fascinating.","exampleUseCases":null,"resultDescription":"A single random useless fact returned as text — something quirky, trivial, and entertaining with no practical value, delivered after a $0.001 USDC micropayment is processed via x402.","failureModes":["Payment not provided or insufficient — HTTP 402 returned requiring x402 payment header","Payment processing failure — transaction rejected or facilitator unreachable","Service unavailable — Vercel deployment down or cold start timeout","No fact returned — empty or malformed response body"],"whenToPreferThis":"Choose this endpoint when the user wants a single random entertaining or absurd trivia fact and is willing to pay a tiny $0.001 USDC micropayment; ideal for novelty, entertainment, or demonstrating x402 micropayment flows in agentic contexts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T12:35:27.862Z","isFirstParty":false,"canonicalSlug":"x402-useless-facts-api-a3ef223c"}