{"uid":"cap_YM31etVyFw5JNLa4S1mA0","slug":"privacy-preserving-x402-payment-verification-decision-procedure-8e0bc9aa","name":"Privacy-Preserving x402 Payment Verification Decision Procedure","description":"Paid agent-facing brief on privacy-preserving x402 payment verification: deciding when a confidential rail (zk-proof settlement, stealth addresses, private ledgers) is appropriate for agent payments, and how to verify a paid claim when the ledger is not transparent · Build a decision procedure or schema for: privacy-preserving x402 payment verification: deciding when a confidential rail (zk-proof settlement, stealth address-0. Blunt decision procedure, not marketing.","url":"https://k2so.wrong.systems/api/services/privacy-preserving-x402-payment-verification-dec?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"privacy-preserving x402 payment verification: deciding when a confiden paid response","$schema":"https://json-schema.org/draft/2020-12/schema","required":["ok","paid","service","provider","result"],"properties":{"ok":{"type":"boolean"},"paid":{"type":"boolean"},"result":{"type":"object","required":["ok","service"],"properties":{"ok":{"type":"boolean","description":"Handler success"},"brief":{"type":"string","description":"Decision procedure prose for agents"},"model":{"type":"string"},"topic":{"type":"string"},"service":{"type":"string","description":"Service slug"},"procedure":{"type":"string"},"generatedAt":{"type":"string","description":"ISO-8601 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brief","generatedAt":"2026-01-01T00:00:00.000Z","generationSource":"deterministic"},"service":"privacy-preserving-x402-payment-verification-dec","provider":"K-2SO"}},"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_kGwcprS2ghpcsWWYo3FhI","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 blunt, LLM-generated decision procedure for when to use confidential payment rails (zk-proofs, stealth addresses, private ledgers) in x402 agent payments and how to verify paid claims on opaque ledgers","exampleAgentPrompt":"Give me a blunt decision procedure for when my autonomous agent should use a confidential payment rail like zk-proof settlement or stealth addresses for x402 payments, and explain how to verify a paid claim when the ledger isn't transparent.","exampleUseCases":[{"title":"Choosing privacy rail for agent payments","prompt":"My agent needs to decide whether to use zk-proof settlement or a standard transparent rail for an x402 payment — can you get me a clear decision procedure explaining exactly when confidential rails are justified and when they're overkill?"},{"title":"Verifying paid claims on opaque ledgers","prompt":"I'm building an agent that receives x402 payment claims but can't see the full ledger — what's the step-by-step procedure for verifying those paid claims when the settlement happened on a private or stealth-address-based chain?"},{"title":"Compliance vs privacy tradeoff for agent fleet","prompt":"Our agent fleet processes payments and we're trying to figure out when using private ledgers or stealth addresses creates compliance risk versus when it's the right call — give me a decision schema for that tradeoff in the context of x402."}],"resultDescription":"A structured JSON response containing a prose decision procedure brief (the 'brief' field) written for agents, covering when confidential payment rails are appropriate and how to verify paid claims on non-transparent ledgers. Also includes metadata: the topic, model used, generation source (llm/reasoning/deterministic), ISO-8601 timestamp, service slug, and payment confirmation fields (payer, transaction, selfPay).","failureModes":["Payment not provided — returns 402 requiring USDC payment before content is delivered","Invalid method — only GET/HEAD/DELETE are accepted","LLM generation failure — generationSource may indicate fallback to deterministic or cached response","Topic override produces off-topic or low-quality brief if the topic is too vague or unrelated to x402 payment privacy"],"whenToPreferThis":"Use this endpoint when an agent or developer needs a structured, no-fluff decision procedure specifically for x402 payment privacy: choosing between transparent and confidential settlement rails, understanding zk-proof and stealth address tradeoffs, or verifying payments on opaque ledgers. Prefer this over general blockchain documentation or payment API docs when you need agent-actionable guidance rather than marketing prose.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T19:05:09.649Z","isFirstParty":false,"canonicalSlug":"privacy-preserving-x402-payment-verification-decision-procedure-8e0bc9aa"}