{"uid":"cap_wChL-Yp24ckPlCwyg9wiv","slug":"x402-payment-facilitator-trust-scoring-procedure-a2c8be8e","name":"x402 Payment Facilitator Trust Scoring Procedure","description":"Decision procedure for an agent to score and select an x402 payment facilitator before delegating routing, custody, and settlement. Covers refund success history, dispute responsiveness, custody model verification, fee honesty checks, and validation of claimed transaction volume.","url":"https://k2so-8080.on.ascii.dev/api/services/agent-x402-payment-facilitator-trust-scoring-dec?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"x402 payment facilitator trust scoring procedure paid response","$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_3LvoQguKvCAD2pmggYnLx","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":"Generates a structured decision procedure for scoring and selecting an x402 payment facilitator, covering refund history, dispute responsiveness, custody model, fee honesty, and transaction volume validation.","exampleAgentPrompt":"Before I delegate routing and settlement to this x402 payment facilitator, can you run the trust scoring procedure on them — checking their refund history, dispute responsiveness, custody model, fee honesty, and whether their claimed transaction volume checks out?","exampleUseCases":[{"title":"Vetting a new facilitator before go-live","prompt":"I'm about to use a new x402 facilitator for production payments — can you run the full trust scoring procedure on them so I can see how they score on custody model, fee honesty, and refund success rate before I commit?"},{"title":"Comparing facilitators for routing delegation","prompt":"I have two x402 payment facilitators I'm considering for routing delegation — can you generate the trust scoring decision procedure so I know what criteria to apply when comparing their dispute responsiveness and transaction volume claims?"},{"title":"Periodic re-evaluation of existing facilitator","prompt":"We've been using our current x402 facilitator for three months — can you pull the trust scoring procedure to re-check their refund history, custody model, and fee honesty to make sure nothing has slipped?"}],"resultDescription":"Returns a structured decision procedure brief (prose and/or structured result) containing scoring criteria and guidance across refund success history, dispute responsiveness, custody model verification, fee honesty checks, and transaction volume validation, along with metadata such as generation timestamp, model used, and generation source (llm/reasoning/deterministic).","failureModes":["Payment not submitted or insufficient USDC — endpoint returns unpaid/payment required response","Invalid query parameter values — returns 400-level error","Service temporarily unavailable — provider-side error with non-OK result","Topic override not recognized — procedure may fall back to default scoring topic"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to evaluate or select an x402 payment facilitator before delegating routing, custody, or settlement authority. Prefer this over generic payment risk checks when the specific concern is facilitator-level trust factors such as custody model integrity, refund track record, and fee transparency in the x402 protocol context.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T12:34:18.436Z","isFirstParty":false,"canonicalSlug":"x402-payment-facilitator-trust-scoring-procedure-a2c8be8e"}