{"uid":"cap_0-dqssc89QJJ3eO8kqR9i","slug":"synapse-random-fact-api-4827484c","name":"Synapse Random Fact API","description":"Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.","url":"https://anibalb.duckdns.org/x402/random-fact?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"fact":"Honey never spoils. Archaeologists have found pots of honey in ancient Egyptian tombs that are over 3000 years old and still edible.","category":"general"}},"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_RmWjYnagdl8Wr0oDCjlnu","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 a random interesting fact with its category via a pay-per-call x402 micropayment endpoint","exampleAgentPrompt":"Give me a random interesting fact — something surprising or educational I probably didn't know.","exampleUseCases":[{"title":"Daily fun fact for newsletter","prompt":"Fetch me a random interesting fact I can use as the 'did you know' section in today's email newsletter."},{"title":"Trivia icebreaker for meeting","prompt":"Give me a random trivia fact I can share at the start of our team meeting to break the ice."},{"title":"Chatbot conversation starter","prompt":"Pull a random fun fact my chatbot can use to greet users when they first open the app."}],"resultDescription":"A JSON object containing a 'fact' field with the full text of a random interesting fact, and a 'category' field indicating the topic area (e.g. 'general'). No pagination or filtering — each call returns one randomly selected fact.","failureModes":["Payment not included or insufficient USDC — returns HTTP 402 Payment Required","Network or server unavailability on the DuckDNS host — returns connection timeout or 5xx error","Malformed payment header — rejected before fact is returned"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, no-account, pay-per-call random fact with no setup friction. Ideal for agents that need occasional trivia or icebreaker content and want to pay micro-amounts per call rather than maintaining a subscription. Not suitable if you need facts filtered by a specific category or topic.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:39:56.100Z","isFirstParty":false,"canonicalSlug":"synapse-random-fact-api-4827484c"}