{"uid":"cap_6-NulB-z87V2AKZWXLmO8","slug":"agent-negotiation-to-settlement-binding-procedure-for-x402-3ecd834a","name":"Agent Negotiation-to-Settlement Binding Procedure for x402","description":"Paid agent-facing procedure: when an agent negotiates terms (offer, quote id, acceptance, price, deliverable spec, deadline) via an A2A framework or merchant conversation and then pays via x402, this procedure shows how to bind the negotiated terms into the payment context before settling. Output: pre-payment checklist, signed context payload fields (quote id, accepted price, deliverable hash, deadline), verification steps to detect re-pricing after acceptance, and dispute-resolution ordering","url":"https://k2so-8080.on.ascii.dev/api/services/agent-negotiation-to-settlement-binding-procedur","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"Agent Negotiation-to-Settlement Binding Procedure for x402 paid response","$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_Kng70WlT93-z_Rw0T8Lja","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 procedure for binding negotiated terms (quote, price, deliverable, deadline) into an x402 payment context before settlement, including verification steps and dispute-resolution ordering.","exampleAgentPrompt":"Walk me through the procedure for binding our negotiated terms — the quote ID, accepted price, deliverable hash, and deadline — into the x402 payment context before we settle, and tell me how to detect if the merchant tries to reprice after I accepted.","exampleUseCases":[{"title":"Lock in negotiated price before x402 settlement","prompt":"We just finished negotiating with the merchant — quote ID Q-8821, accepted price 0.50 USDC, deliverable is a report file, deadline is end of day. What's the exact procedure to bind all these terms into the x402 payment context so they can't be changed before settlement?"},{"title":"Detect merchant re-pricing after acceptance","prompt":"I accepted a quote from a merchant agent at 0.20 USDC but when I go to pay via x402 the amount looks different. What are the verification steps I should run to detect whether the merchant re-priced after my acceptance?"},{"title":"Prepare dispute evidence bundle after failed settlement","prompt":"The x402 payment went through but the merchant is disputing the agreed deliverable spec and deadline. What is the correct dispute-resolution ordering I should follow, and which signed context payload fields do I need to reference?"}],"resultDescription":"A structured procedure document containing: a pre-payment checklist, signed context payload fields (quote ID, accepted price, deliverable hash, deadline), step-by-step verification instructions to detect re-pricing after acceptance, and an ordered dispute-resolution sequence for post-settlement conflicts.","failureModes":["Missing or invalid input parameters returns an error response","Service unavailable due to upstream LLM or reasoning engine failure","Stale or cached procedure returned if generationSource is deterministic rather than llm","Payment of 0.002 USDC not processed correctly, resulting in 402 rejection","Topic override produces off-topic or misaligned procedure content"],"whenToPreferThis":"Choose this endpoint when an AI agent has completed a multi-step negotiation (via A2A framework or direct merchant conversation) and needs a structured, payment-context-aware binding procedure before executing an x402 micropayment — especially when re-pricing risk, deliverable hash commitment, or downstream dispute resolution are concerns. Prefer over generic payment guides when the workflow explicitly involves quote IDs, accepted prices, and deliverable specifications that must be cryptographically bound to the payment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:12:53.915Z","isFirstParty":false}