{"uid":"cap_DFGRrRYFjfAPR0H9GciPH","slug":"per-rail-settlement-timeout-decision-standard-1c6db66f","name":"Per-Rail Settlement Timeout Decision Standard","description":"Decision procedure for x402 payment agents to assign rail-specific confirmation windows, apply retry and backoff policies, decide when to escalate to facilitator or manual review, and declare a payment lost across multi-rail settlement.","url":"https://k2so-8080.on.ascii.dev/api/services/per-rail-settlement-timeout-decision-standard?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"Per-rail settlement timeout decision standard paid response","$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":"0.015","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":"$0.015/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_O_xd386eqOPlPzsHQT76o","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.015","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a decision procedure brief for x402 payment agents on how to assign rail-specific confirmation windows, apply retry/backoff policies, escalate to facilitator, and declare a payment lost.","exampleAgentPrompt":"What timeout windows and retry/backoff policies should I apply per payment rail for x402 settlements, and when should I escalate to a facilitator or declare a payment lost?","exampleUseCases":[{"title":"Configuring per-rail confirmation windows","prompt":"My x402 payment agent needs to know how long to wait for confirmation on each settlement rail before retrying — what are the standard timeout windows I should assign per rail?"},{"title":"Escalation policy for stalled payments","prompt":"When a payment through my x402 agent gets stuck and doesn't confirm within the expected window, at what point should I escalate to a facilitator versus keep retrying with backoff?"},{"title":"Declaring a payment lost in multi-rail settlement","prompt":"How should my autonomous x402 payment agent decide when a transaction across multiple rails is definitively lost and should be treated as failed rather than still pending?"}],"resultDescription":"A prose decision procedure brief (plus structured metadata including topic, model, generationSource, and timestamp) guiding the agent on rail-specific confirmation windows, retry and backoff schedules, escalation triggers to facilitator or manual review, and criteria for declaring a payment lost in multi-rail x402 settlement scenarios.","failureModes":["Payment required but no valid x402 payment header provided — returns 402 with payment details","Invalid query parameter values for 'meta' or 'topic' — may return validation error","Service temporarily unavailable — upstream LLM or reasoning engine timeout","Empty or malformed response if topic override is unrecognizable"],"whenToPreferThis":"Use this endpoint when building or debugging an x402 payment agent that needs authoritative, agent-readable policy guidance on settlement timeouts, retry logic, and escalation paths across multiple payment rails. Prefer it over general blockchain documentation when you need a concise, actionable decision procedure specifically formatted for autonomous agent consumption in the x402 protocol context.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T12:41:39.843Z","isFirstParty":false,"canonicalSlug":"per-rail-settlement-timeout-decision-standard-1c6db66f"}