{"uid":"cap_t2WvtIGjisq50Xa_Pbsa4","slug":"x402-payment-dispute-resolution-decision-procedure-7ddd8df1","name":"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-8080.on.ascii.dev/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":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_sgpMMccL3x2shNTGrK0_K","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 structured decision procedure for agents navigating a contested x402 payment, covering evidence freezing, dispute classification, and a cost-gated recover-first escalation ladder.","exampleAgentPrompt":"I paid an x402 merchant 0.05 USDC for a data payload but they went silent and never delivered — walk me through the full dispute resolution procedure, starting with how to freeze the evidence and then what recovery steps to try before escalating.","exampleUseCases":[{"title":"Non-delivery dispute after silent merchant","prompt":"My agent paid an x402 merchant but received no response and the merchant has gone silent — what's the ordered procedure to freeze my payment evidence and attempt recovery before I escalate?"},{"title":"Wrong content delivered after x402 payment","prompt":"The x402 service took my payment but delivered completely wrong content — give me the step-by-step dispute workflow to classify this, attempt a renegotiation or refund, and decide whether escalation is worth the cost."},{"title":"Double-charge detected on x402 transaction","prompt":"I can see two payment transaction hashes charged for the same x402 request — what's the decision procedure I should follow to document the double-charge and recover the duplicate payment?"}],"resultDescription":"A prose decision procedure brief tailored to the dispute scenario, including ordered workflow steps (evidence freezing, dispute classification, recover-first ladder, cost-benefit escalation gating), plus metadata: service slug, generation source (llm/reasoning/deterministic), model used, and ISO-8601 generation timestamp.","failureModes":["Missing required input fields returns a validation error","Payment not included results in a 402 response requiring USDC payment before access","Invalid topic override may return a generic rather than scenario-specific procedure","Downstream LLM unavailability may cause generation failure or degraded response","Rate limiting or network issues on the ascii.dev host may cause timeouts"],"whenToPreferThis":"Choose this endpoint when an agent is actively involved in an x402 payment dispute — either as buyer or merchant — and needs a structured, ordered decision procedure rather than general payment advice. It is specifically optimized for x402 protocol disputes with evidence-freezing, classify-then-recover logic, and cost-gated escalation, making it more actionable than a generic dispute FAQ or a human-facing legal resource.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T06:42:38.683Z","isFirstParty":false,"canonicalSlug":"x402-payment-dispute-resolution-decision-procedure-7ddd8df1"}