{"uid":"cap_z3YexpjVkO-iFLl0tzBtn","slug":"verifiable-agent-accountability-evidence-for-x402-counterparty-trust-af4d8e4c","name":"Verifiable Agent Accountability Evidence for x402 Counterparty Trust","description":"Paid agent-facing brief on verifiable agent accountability evidence for x402 counterparty trust: when an agent must prove who is behind it (agent registry binding, ERC-8004 identity NFT, on-chain accountability record) before a counterparty authorizes settlement, and the verification procedure the counterparty runs to distinguish registry-only claims from evidence actually bound to the paying entity · Build a decision proce-0. Blunt decision procedure, not marketing.","url":"https://k2so.wrong.systems/api/services/verifiable-agent-accountability-evidence-for-x40?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":"verifiable agent accountability evidence for x402 counterparty trust paid 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brief","generatedAt":"2026-01-01T00:00:00.000Z","generationSource":"deterministic"},"service":"verifiable-agent-accountability-evidence-for-x40","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":"down","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_yuzOR_0O0pzvFxwV8Y0Od","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 paid decision procedure brief explaining how an agent proves its real-world identity (registry binding, ERC-8004 NFT, on-chain record) to satisfy x402 counterparty trust verification before settlement.","exampleAgentPrompt":"I need a blunt decision procedure for how an agent should prove its real-world identity to an x402 counterparty — covering agent registry binding, ERC-8004 identity NFT, and on-chain accountability records — so the counterparty can tell the difference between bare registry claims and evidence actually tied to the paying entity.","exampleUseCases":[{"title":"Counterparty vetting before agent settlement","prompt":"Before I allow this autonomous agent to settle a payment via x402, I need a step-by-step procedure to verify its accountability evidence — tell me how to check whether its registry binding and ERC-8004 NFT are actually tied to a real paying entity, not just self-declared claims."},{"title":"Building agent identity verification into a marketplace","prompt":"I'm building an x402 agent marketplace and need a decision procedure that distinguishes agents with real on-chain accountability records from those with registry-only claims — give me the concrete verification steps a counterparty should run."},{"title":"Auditing agent identity for compliance","prompt":"I need to document how our platform verifies agent accountability evidence before authorizing x402 settlements — specifically covering ERC-8004 identity NFTs and on-chain accountability records — so auditors can see we're not just trusting self-reported registry entries."}],"resultDescription":"A prose decision procedure brief (the 'brief' field) explaining the types of verifiable accountability evidence an agent can present (agent registry binding, ERC-8004 identity NFT, on-chain accountability record), the verification steps a counterparty runs, and how to distinguish registry-only claims from cryptographically bound evidence — plus metadata including the topic, model used, generation source, and ISO-8601 timestamp.","failureModes":["Payment not received or incorrect amount — counterparty returns 402 with payment instructions","Invalid query parameters — returns error response with detail field","Service unavailable on k2so.wrong.systems — network or host failure","LLM generation failure — generationSource may fall back to deterministic stub","meta=1 returns free metadata JSON instead of paid brief content"],"whenToPreferThis":"Choose this endpoint when an agent or developer needs a concrete, non-marketing decision procedure specifically for x402 counterparty trust involving agent identity verification — particularly when the question involves ERC-8004 NFTs, registry binding vs. cryptographic evidence, or on-chain accountability records on Base. Prefer this over general identity documentation when you need an actionable verification checklist for autonomous agent micropayments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T19:25:43.602Z","isFirstParty":false,"canonicalSlug":"verifiable-agent-accountability-evidence-for-x402-counterparty-trust-af4d8e4c"}