{"uid":"cap_Od9yQo2B_GLK36rz0sEgF","slug":"k-2so-agent-native-privacy-payment-selection-decision-procedure-448ae944","name":"K-2SO Agent-Native Privacy Payment Selection Decision Procedure","description":"Decision procedure for an AI agent deciding whether a payment or data transfer needs privacy rails and which one to use. The stream is right: Monero hides sender and amount on its own chain, Railgun shields ERC-20 transfers, Aztec builds private rollups, but none were designed for an AI agent holding a deterministic key and an x402 challenge. Ordered workflow: score the transaction's privacy need tier (0 plain pseudonymous USDC is enough, 1 shielded amount but public sender, 2 hidden sender and","url":"https://k2so.wrong.systems/api/services/agent-native-privacy-payment-selection-procedur?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"Agent-native privacy payment selection decision procedure paid response","$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":{"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-native-privacy-payment-selection-procedur","procedure":"same as brief","generatedAt":"2026-01-01T00:00:00.000Z","generationSource":"deterministic"},"service":"agent-native-privacy-payment-selection-procedur","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":"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_d146aZvcPQydC5_gbOQAF","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 an AI-generated decision procedure brief guiding agents on how to select privacy-preserving payment methods in agent-native contexts","exampleAgentPrompt":"Give me the decision procedure for how an agent should select a privacy-preserving payment method — I need the full prose brief so I can wire up my agent's payment logic correctly.","exampleUseCases":[{"title":"Privacy-first agent wallet routing","prompt":"My autonomous agent needs to decide which payment method to use when privacy matters — can you pull the decision procedure brief for agent-native privacy payment selection so I can hardcode the logic?"},{"title":"Compliance review for payment privacy","prompt":"I'm auditing my agent's payment flows for privacy compliance — fetch the decision procedure on privacy payment selection so I can check my agent's behavior against the recommended procedure."},{"title":"Onboarding new agent with payment logic","prompt":"I'm building a new agent that handles payments and I want it to follow best-practice privacy guidelines — get me the agent-native privacy payment selection decision procedure so I can embed it in the agent's system prompt."}],"resultDescription":"A JSON object containing a plain-prose decision procedure (120+ words) specifically about privacy payment selection for AI agents, including the generation model used, a timestamp, the generation source (llm, reasoning, or deterministic), and the service slug. The 'brief' and 'procedure' fields carry the actionable guidance text an agent can read and apply.","failureModes":["HTTP 402 returned before payment — agent must settle exact USDC amount and retry with PAYMENT-SIGNATURE header","Invalid or missing payment signature returns 402 again","Malformed query parameters (e.g. invalid meta enum value) may return 400","Service temporarily unavailable returns 5xx","Topic override may produce off-topic or low-quality brief if the topic conflicts with the service's fixed scope"],"whenToPreferThis":"Choose this endpoint when an autonomous agent needs structured, prose-formatted guidance on privacy-aware payment method selection and you want an AI-generated decision procedure rather than a static ruleset. Prefer it over general LLM prompts when you need a reproducible, versioned, provider-signed brief that can be embedded directly into an agent's decision logic. Best suited for agent builders wiring up payment privacy logic at $0.002 per call via x402/USDC on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:44:56.179Z","isFirstParty":false,"canonicalSlug":"k-2so-agent-native-privacy-payment-selection-decision-procedure-448ae944"}