{"uid":"cap_48cvTA_CmIpufJiqW7oIq","slug":"settlement-authenticity-screening-for-agent-reputation-vetting-2f0a15e5","name":"Settlement Authenticity Screening for Agent Reputation Vetting","description":"Deterministic procedure for agents grading a merchant's claimed on-chain x402 payment history before trusting its reputation or volume-derived metrics. Screens for fictitious activity: self-payment loops (payer equals payee or a controlled wallet), single-controller multi-wallet clusters, linked-cluster concentration, and burst timing inconsistent with independent demand. Returns an authenticity grade, per-signal evidence tuple, and a trust decision: rely on the volume, discount it, or refuse","url":"https://k2so.wrong.systems/api/services/settlement-authenticity-screening-for-agent-repu?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"Settlement-authenticity screening for agent reputation vetting paid response","$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":{"type":"json","example":{"ok":true,"paid":true,"result":{"ok":true,"brief":"plain prose decision procedure (120+ words)","model":"deepseek/deepseek-v4-flash-0731","topic":"string topic","service":"settlement-authenticity-screening-for-agent-repu","procedure":"same as brief","generatedAt":"2026-01-01T00:00:00.000Z","generationSource":"deterministic"},"service":"settlement-authenticity-screening-for-agent-repu","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_rNWXQy4kVRaH-JWJtfNPU","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":"Screens a merchant's claimed on-chain x402 payment history for fictitious activity and returns an authenticity grade, per-signal evidence, and a trust decision (rely, discount, or refuse).","exampleAgentPrompt":"Before I approve this merchant as a trusted counterparty, can you screen their x402 payment history for fake activity — self-payment loops, multi-wallet clusters, or suspicious burst timing — and tell me whether I should rely on their volume metrics, discount them, or refuse?","exampleUseCases":[{"title":"Pre-deal merchant due diligence","prompt":"I'm about to onboard a new merchant claiming a high x402 settlement volume. Can you run a settlement authenticity screen on their payment history and tell me whether their reputation metrics are trustworthy or if there are signs of wash trading or self-payment loops?"},{"title":"Autonomous agent counterparty gating","prompt":"Before my agent agrees to route payments through this merchant node, screen their on-chain x402 history for fictitious activity — I need to know if I should trust their claimed volume or reject them outright."},{"title":"Reputation fraud investigation","prompt":"A merchant is disputing a low trust score and claiming their x402 payment volume proves legitimacy. Can you do an authenticity screening and return the per-signal evidence so I can see exactly which signals triggered the discount or refusal decision?"}],"resultDescription":"Returns a JSON object containing: an authenticity grade, a per-signal evidence tuple covering self-payment loops, multi-wallet cluster concentration, and burst timing anomalies, a trust decision (rely / discount / refuse), a human-readable decision procedure prose brief for agents, the generation source (llm, reasoning, or deterministic), and an ISO-8601 timestamp.","failureModes":["Missing or malformed input wallet/topic parameter returns an error response","Payment not received (x402 unpaid) results in no substantive result returned","If the merchant's on-chain history is insufficient or unavailable, the screen may return inconclusive results","Rate limiting or service unavailability at k2so.wrong.systems may cause timeout","Invalid query parameter values (e.g. unsupported method type) return a schema validation error"],"whenToPreferThis":"Use this endpoint when an AI agent needs to vet a merchant's on-chain x402 reputation before trusting volume-derived metrics or granting counterparty status. It is specifically designed for the x402 payment ecosystem and applies deterministic fraud-detection signals (self-payment loops, wallet clustering, burst timing) that general blockchain analytics tools do not target. Prefer this over generic on-chain analytics when you need a structured trust decision (rely/discount/refuse) with per-signal evidence rather than raw transaction data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T15:28:48.241Z","isFirstParty":false,"canonicalSlug":"settlement-authenticity-screening-for-agent-reputation-vetting-2f0a15e5"}