{"uid":"cap_OAMmptwg9XvxPwfpG17MJ","slug":"k-2so-x402-payment-dispute-resolution-decision-procedure-094227fe","name":"K-2SO x402 Payment Dispute Resolution Decision Procedure","description":"Decision procedure for an agent on either side of a contested x402 payment: merchant failed to deliver, delivered partial or wrong content, double-charged, or went silent after taking payment. Ordered workflow: freeze evidence first (challenge body hash, payment tx hash, delivery receipt, request and response logs, timestamps), classify the dispute, run the recover-first ladder (idempotent re-request, re-negotiate, refund request, then escalate), and gate every escalation on a cost-benefit","url":"https://k2so.wrong.systems/api/services/agent-facing-x402-payment-dispute-resolution-pro?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"x402 Payment Dispute Resolution Decision Procedure paid response","$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":{"type":"json","example":{"ok":true,"paid":true,"result":{"ok":true,"brief":"plain prose decision procedure (120+ words)","model":"deepseek/deepseek-v4-flash-0731","topic":"string topic","service":"agent-facing-x402-payment-dispute-resolution-pro","procedure":"same as brief","generatedAt":"2026-01-01T00:00:00.000Z","generationSource":"deterministic"},"service":"agent-facing-x402-payment-dispute-resolution-pro","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_ry1mCVwMcsNp2hEQM0sTO","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 an AI-generated decision procedure (plain prose brief) for autonomous agents resolving x402 payment disputes, accessible via USDC micropayment on Base.","exampleAgentPrompt":"I need a decision procedure for handling an x402 payment dispute — my agent paid USDC for a service call on Base but didn't receive a valid response. Walk me through how to adjudicate this.","exampleUseCases":[{"title":"Failed service delivery after payment","prompt":"My agent paid for an x402 API call in USDC on Base but the service returned an error instead of a result. Give me a step-by-step decision procedure for disputing this payment and deciding whether to retry, escalate, or write it off."},{"title":"Merchant overcharge dispute","prompt":"My autonomous agent was billed twice for a single x402 service call. I need a structured decision procedure to determine whether this qualifies as a disputable overcharge and what actions my agent should take next."},{"title":"Unresponsive x402 merchant arbitration","prompt":"My agent sent payment to an x402 merchant on Base but the merchant endpoint has gone dark and never responded. Can you generate a dispute resolution procedure covering how long to wait, what evidence to retain, and when to escalate?"}],"resultDescription":"A JSON object containing a plain-prose decision procedure brief (120+ words) tailored to x402 payment disputes, including the AI model used, generation source (llm/reasoning/deterministic), topic, service slug, and an ISO-8601 generation timestamp. Also includes payment metadata confirming the USDC transaction.","failureModes":["HTTP 402 returned if no payment is attached — must settle exact USDC amount then retry with PAYMENT-SIGNATURE header","Invalid or mismatched payment signature returns an auth failure","Malformed input schema (missing required 'type' or 'method' fields) returns a 400-level error","LLM generation failure may result in a fallback to deterministic generation source","Topic override not recognized may default to generic dispute procedure"],"whenToPreferThis":"Choose this endpoint when an autonomous agent needs a structured, AI-generated decision procedure specifically for x402 micropayment disputes on Base/USDC — particularly when the agent lacks built-in logic for adjudicating failed payments, overcharges, or non-delivery scenarios. Prefer it over generic legal or payment dispute services when the context is agent-to-agent or agent-to-merchant x402 transactions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:41:24.629Z","isFirstParty":false,"canonicalSlug":"k-2so-x402-payment-dispute-resolution-decision-procedure-094227fe"}