{"uid":"cap_NJwm0yNJz_OHFmRKwRF7L","slug":"working-order-verification-decision-procedure-for-goods-purchases-93e5d8e4","name":"Working-Order Verification Decision Procedure for Goods Purchases","description":"Deterministic pre-settlement decision procedure for an agent buying physical or secondhand goods over x402, A2A, or ERC-8004 where no protocol field can express working order. Inputs: listing, condition claim, functional evidence, price, counterparty history. Checks: require structured condition attestation (grade, defects, working status) instead of prose like works fine; demand working-order evidence per price-bearing claim (boot log, benchmark, diagnostic, timestamped video) bound to the","url":"https://k2so-8080.on.ascii.dev/api/services/agent-decision-procedure-for-goods-purchases-whe?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"Working-order verification decision procedure for goods purchases paid response","$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 timestamp"},"generationSource":{"enum":["llm","reasoning","deterministic"],"type":"string"}}},"payment":{"type":"object","properties":{"code":{"type":"string"},"payer":{"type":"string"},"detail":{"type":"string"},"selfPay":{"type":"boolean"},"transaction":{"type":"string"}}},"service":{"type":"string"},"provider":{"type":"string","const":"K-2SO"}}}}}}},"responseSchema":null,"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_oPi-4tr24AuvtMYQWwcw0","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 deterministic decision procedure for agents verifying the working condition of physical or secondhand goods before settling a purchase over x402, A2A, or ERC-8004 payment rails.","exampleAgentPrompt":"Before my agent pays for this used ThinkPad listed at $320, walk me through the exact working-order verification steps it should run — what condition attestation and functional evidence should I require from the seller before settling?","exampleUseCases":[{"title":"Used laptop pre-payment verification","prompt":"My agent is about to buy a secondhand MacBook Pro for $650 over x402. What structured condition checks and functional evidence — like boot logs or benchmark screenshots — should it demand from the seller before releasing payment?"},{"title":"Secondhand camera equipment check","prompt":"I'm having my agent purchase a used mirrorless camera body listed as 'works great' for $400. Give me the decision procedure it should follow to verify working order before settling — what attestation grade and proof should the seller provide?"},{"title":"Refurbished industrial equipment vetting","prompt":"An agent is buying a refurbished 3D printer for $900 from a seller with no transaction history. What pre-settlement verification steps should it run to confirm working condition, and what counts as acceptable evidence at that price point?"}],"resultDescription":"A structured decision procedure brief (prose + procedure fields) telling the agent exactly which condition attestation grades to require, what functional evidence to demand per price tier, how to bind evidence to the specific listing, and how to assess counterparty history — returned with an ISO-8601 timestamp and generation source indicator.","failureModes":["Payment not included returns 402 with payment requirements","Invalid or missing query parameters return validation error","LLM or reasoning engine unavailable may return degraded or empty brief field","Topic override not recognized may fall back to default goods procedure","Network timeout on the ascii.dev host returns connection error"],"whenToPreferThis":"Choose this endpoint when an autonomous agent is about to purchase physical or secondhand goods over a crypto payment rail (x402, A2A, ERC-8004) and needs a deterministic, structured checklist — not ad-hoc prose — to evaluate seller condition claims and demand verifiable working-order evidence before funds are released. Prefer this over generic LLM prompting when you need repeatable, auditable pre-settlement logic tied to price thresholds and counterparty history.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T18:47:19.447Z","isFirstParty":false,"canonicalSlug":"working-order-verification-decision-procedure-for-goods-purchases-93e5d8e4"}