{"uid":"cap_BOs9dfGeWi4BVpVHoZnXX","slug":"node4all-fortune-x402-demo-a2b19ea1","name":"Node4All Fortune (x402 Demo)","description":"Node4All Fortune — deterministic fortune reading derived from the x402 payment authorization nonce. Flagship demo of the Node4All x402 v2 payment flow. Operator: Node4All (https://node4all.com). Currency: USDC on Base.","url":"https://sandbox.node4all.com/v1/x402-test?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"},"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":"registry","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_8vP6aVQDQzWX1mojxpzZ8","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a deterministic fortune reading derived from the x402 payment authorization nonce, serving as a flagship demo of the Node4All x402 v2 micropayment flow on Base.","exampleAgentPrompt":"Can you fetch me a fortune from the Node4All sandbox — it uses x402 micropayments on Base with USDC and gives back a deterministic fortune tied to the payment nonce?","exampleUseCases":[{"title":"Testing x402 payment flow end-to-end","prompt":"I want to test how x402 v2 micropayments work on Base — can you hit the Node4All sandbox fortune endpoint and show me what comes back after the USDC payment goes through?"},{"title":"Exploring nonce-derived deterministic output","prompt":"Can you call the Node4All fortune endpoint and explain how the fortune it returns is tied to the x402 payment nonce — I want to understand the determinism aspect?"},{"title":"Demoing x402 to a developer audience","prompt":"I'm showing someone how x402 micropayments work in practice — can you call the Node4All fortune endpoint on Base and show the fortune message it returns for the demo?"}],"resultDescription":"A deterministic fortune message whose content is derived from the x402 payment authorization nonce. Because the output is nonce-bound, the same payment nonce always produces the same fortune, making it a verifiable and repeatable demo of the x402 v2 payment flow on Base using USDC.","failureModes":["Payment not authorized — x402 payment header missing or invalid, endpoint returns 402 Payment Required","Insufficient USDC balance — payment of 0.002 USDC cannot be fulfilled","Malformed request — non-GET method returns error","Network/sandbox unavailability — sandbox may be intermittently offline"],"whenToPreferThis":"Choose this endpoint when you want to demonstrate, test, or explore the x402 micropayment protocol on Base with USDC in a sandbox environment. It is ideal for developers building x402-enabled agents or verifying payment flow integration without a production stake. Not suitable for serious fortune-telling or production use — this is explicitly a demo/sandbox endpoint.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T06:35:50.009Z","isFirstParty":false,"canonicalSlug":"node4all-fortune-x402-demo-a2b19ea1"}