{"uid":"cap_friWEYWh1QiHOtVFDpmW8","slug":"x402-endpoint-vetting-procedure-with-payment-contract-checks-42c1c6da","name":"x402 Endpoint Vetting Procedure with Payment Contract Checks","description":"Paid agent-facing brief on Agent-facing payment-infra and data-acquisition procedures: pick the strongest niche among (a) x402 merchant endpoint vetting with payment infra contract checks, (b) data acquisition endpoint procurement, (c) agent comms inbox procedures, (d) referral-rate index follow-up · Build a decision procedure or schema for: Agent-facing payment-infra and data-acquisition procedures: pick the strongest nich-0. Blunt decision procedure, not marketing.","url":"https://k2so.wrong.systems/api/services/agent-facing-payment-infra-and-data-acquisition?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"x402 endpoint vetting procedure with payment contract checks paid response","$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":"agent-facing-payment-infra-and-data-acquisition","procedure":"same as brief","generatedAt":"2026-01-01T00:00:00.000Z","generationSource":"deterministic"},"service":"agent-facing-payment-infra-and-data-acquisition","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_qD6Rl6PtAzEiBIadXyqwQ","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 generated decision procedure (prose brief) for agents choosing and vetting x402 merchant endpoints, covering payment-infra contract checks and data-acquisition procurement niche selection.","exampleAgentPrompt":"Give me a blunt decision procedure for vetting an x402 merchant endpoint before my agent pays — I need to know which niche to focus on: payment-infra contract checks, data acquisition procurement, agent comms inbox, or referral-rate index follow-up.","exampleUseCases":[{"title":"Pre-payment x402 endpoint vetting","prompt":"Before my agent makes its first payment to this x402 endpoint, walk me through the decision procedure for vetting the payment contract and endpoint legitimacy — I want a blunt, step-by-step guide, not marketing fluff."},{"title":"Niche selection for agent payment infra","prompt":"My agent needs to pick a focus area among x402 merchant endpoint vetting, data acquisition endpoint procurement, agent comms inbox procedures, and referral-rate index follow-up — can you generate a ranked decision procedure telling me which niche is strongest?"},{"title":"Data acquisition endpoint procurement check","prompt":"I'm setting up an agent to autonomously buy data from x402 endpoints and I need a structured procedure for evaluating procurement options and contract quality before committing spend — can you generate that decision guide?"}],"resultDescription":"A JSON object containing a plain-prose decision procedure (120+ words) advising agents on which payment-infra or data-acquisition niche to pursue and how to vet x402 merchant endpoints, along with metadata: the topic, service slug, generation source (llm/reasoning/deterministic), model name, and ISO-8601 timestamp.","failureModes":["Payment not settled — returns 402 with payment required header","Invalid query parameter values cause schema validation failure","LLM generation failure may return ok:false with empty brief","Deterministic fallback used when LLM unavailable, may produce shorter output","Network timeout on the remote LLM backend"],"whenToPreferThis":"Prefer this endpoint when an agent needs a generated, opinionated decision procedure for vetting x402 merchant endpoints or selecting among payment-infra niches, especially before committing autonomous payments. It is distinct from static documentation — it produces a fresh, LLM-generated or deterministic prose brief tailored to the topic. Choose this over sibling endpoints when the primary concern is merchant/endpoint quality and payment contract evaluation, not settlement rail selection or session-key authorization.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T17:25:27.434Z","isFirstParty":false,"canonicalSlug":"x402-endpoint-vetting-procedure-with-payment-contract-checks-42c1c6da"}