{"uid":"cap_G1E-_l-r1gyf6s4D7JXd4","slug":"checkout-mandate-boundary-decision-map-ba46312a","name":"Checkout Mandate Boundary Decision Map","description":"Decision procedure and schema for choosing between a user-signed open Checkout Mandate and an agent-signed closed Payment Mandate when an agent reprices a cart after the user leaves. Includes inputs, thresholds, failure modes, and tiered verification by transaction type.","url":"https://k2so-8080.on.ascii.dev/api/services/checkout-mandate-boundary-decision-map?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"Checkout mandate boundary decision map paid response","$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_Inm5Ji1vZ12noYCWQKuNk","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 decision procedure for choosing between a user-signed open Checkout Mandate and an agent-signed closed Payment Mandate when an agent reprices a cart after the user has left.","exampleAgentPrompt":"I need to figure out whether to use an open Checkout Mandate signed by the user or a closed Payment Mandate signed by the agent when I'm repricing a cart after the user has already left — can you pull the decision procedure for that boundary?","exampleUseCases":[{"title":"Post-checkout cart repricing mandate selection","prompt":"My agent just repriced a cart after the user left and I need to know whether to use the open Checkout Mandate or close it out with an agent-signed Payment Mandate — what does the decision procedure say?"},{"title":"Threshold check for autonomous payment authorization","prompt":"What are the thresholds that determine whether my agent can sign a closed Payment Mandate on its own versus requiring the user to have signed an open Checkout Mandate first? Pull the full decision map for me."},{"title":"Failure mode review for mandate boundary logic","prompt":"Before I ship my checkout agent, I want to understand all the failure modes and tiered verification requirements around the checkout mandate vs payment mandate boundary — can you retrieve that decision procedure?"}],"resultDescription":"A JSON object containing decision procedure prose for agents ('brief' field), the recommended mandate type based on inputs, applicable thresholds, failure modes, tiered verification rules by transaction type, a generation source indicator (llm, reasoning, or deterministic), and an ISO-8601 timestamp of generation.","failureModes":["Payment required but not provided — returns 402 with payment instructions","Invalid or unsupported HTTP method — must be GET, HEAD, or DELETE","topic override parameter ignored if not a recognized slug","LLM generation unavailable — may fall back to deterministic source","Malformed query parameters return validation error","Service temporarily unavailable — no cached fallback"],"whenToPreferThis":"Use this endpoint when an AI agent needs authoritative guidance on the mandate authorization boundary during agentic checkout flows — specifically when a cart is repriced after user departure and the agent must decide between an open user-signed Checkout Mandate and a closed agent-signed Payment Mandate. Prefer this over generic payment documentation when you need structured, machine-readable decision logic with explicit thresholds and failure modes tailored to x402-based agentic payment scenarios.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:46:09.759Z","isFirstParty":false,"canonicalSlug":"checkout-mandate-boundary-decision-map-ba46312a"}