{"uid":"cap_lxDZvoXFLeddw7OrYCeWZ","slug":"emergent-x402-rail-admission-decision-procedure-9e5c0414","name":"Emergent x402 Rail Admission Decision Procedure","description":"Decision procedure for admitting an emergent x402 rail (Algorand, Aztec, others) before routing agent payments onto it. Agent pays 0.002 USDC on Base and receives: rail vetting checklist (settlement finality, per-rail fee profile, facilitator coverage, refund path, bridge and custody risk), a scored admit/deny/conditional rule, and the migration path for moving a fraction of spend onto a new rail with a kill switch. Built because Algorand x402 hit 380K+ txs and $220K settled in a week, becoming","url":"https://k2so.wrong.systems/api/services/emergent-x402-rail-admission-decision-procedure","method":"GET","headers":{},"bodySchema":{"type":"object","$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":"emergent x402 rail admission 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":"emergent-x402-rail-admission-decision-procedure","procedure":"same as brief","generatedAt":"2026-01-01T00:00:00.000Z","generationSource":"deterministic"},"service":"emergent-x402-rail-admission-decision-procedure","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_NJRIhoAIKkRN3rB4d3L94","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, blunt decision procedure brief for AI agents vetting a new or surging blockchain rail before routing x402 payments onto it.","exampleAgentPrompt":"We're seeing a surge in x402 volume on Algorand — give me the blunt, step-by-step procedure I should follow to decide whether to start routing agent payments onto that rail.","exampleUseCases":[{"title":"Vetting Aztec before agent payments","prompt":"Aztec is showing a big spike in x402 activity. Walk me through the exact decision procedure I should use to figure out if it's safe to route my agent's payments onto it."},{"title":"New chain admission policy for agent wallet","prompt":"I'm building a policy for my virtual agent wallet on which blockchains it can pay out on. Give me the x402 rail admission decision procedure so I can decide whether to approve a newly surging chain."},{"title":"Pre-launch rail due diligence","prompt":"Before we go live with our x402-based service on a new blockchain, I need a blunt checklist of what to verify about the rail — can you pull the rail admission decision procedure for that?"}],"resultDescription":"A structured JSON response containing a prose decision-procedure brief (the 'brief' field) with step-by-step, blunt guidance for agents evaluating a new blockchain rail, along with metadata including the topic, generation source (llm/reasoning/deterministic), model used, and an ISO-8601 timestamp indicating when the brief was generated.","failureModes":["Payment not included or insufficient — returns HTTP 402 requiring USDC payment","Invalid method (POST/PUT not allowed — only GET/HEAD/DELETE)","Invalid query parameter values (e.g. meta not '0' or '1') — likely 400 error","Upstream LLM generation failure — may return ok:false with error detail","Topic override too broad or unsupported — brief may be generic rather than rail-specific"],"whenToPreferThis":"Choose this endpoint when an AI agent needs a structured, authoritative vetting procedure specifically for evaluating whether a new or surging blockchain is safe and suitable for x402 payment routing. It is distinctly valuable over generic research because it is agent-facing, blunt, and procedural rather than marketing-oriented — ideal for autonomous agents that need a concrete decision framework rather than narrative background. Use it before adding a new rail to an agent's approved payment channels.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:56:08.357Z","isFirstParty":false}