{"uid":"cap_92GXwLF05dwBXL1Je1RgT","slug":"synapse-random-joke-api-0de65184","name":"Synapse Random Joke 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-joke?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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"joke":"Why do programmers prefer dark mode? Because light attracts bugs.","category":"tech"}},"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_VNh3P6rXyhpWa45rzO7Or","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 joke with its text and category, paid per call via x402/USDC on Base","exampleAgentPrompt":"Can you grab me a random joke right now? I want to use it as an icebreaker.","exampleUseCases":[{"title":"Slack bot daily icebreaker","prompt":"Fetch a random joke I can post in our team Slack channel to kick off the morning standup."},{"title":"Chatbot personality injection","prompt":"I'm building a chatbot and want it to occasionally tell a joke — grab me a random one to test it out."},{"title":"Entertainment app content filler","prompt":"My app needs a joke to show users on the home screen — can you get a random one for me right now?"}],"resultDescription":"A JSON object containing a 'joke' field with the full joke text and a 'category' field indicating the joke's type (e.g. 'tech'), returned immediately upon payment.","failureModes":["Payment not received or insufficient USDC balance — returns 402 Payment Required","Network timeout or service unavailability on duckdns host — returns 5xx error","Malformed request method (e.g. POST instead of GET) — returns 405 Method Not Allowed"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, no-auth, pay-per-call joke delivery with no account setup — ideal for agents that want to inject humor into responses occasionally without managing API keys or subscriptions. Best when you need a quick single joke with a category label.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:40:50.295Z","isFirstParty":false,"canonicalSlug":"synapse-random-joke-api-0de65184"}