{"uid":"cap_NoKt7Kp57ktHOIhhyHOpM","slug":"k-2so-data-api-billing-mode-selection-decision-procedure-c143ce2a","name":"K-2SO Data API Billing Mode Selection Decision Procedure","description":"Paid agent-facing brief on data-API billing mode selection for agents: when a data provider offers both classic API-key pay-per-use billing and x402/micropayment rails, which mode should an agent use for a given workload. Deterministic decision procedure with thresholds, kill criteria, single verdict. · Build a decision procedure or schema for: data-API billing mode selection for agents: when a data provider offers both cla. Blunt decision procedure, not marketing.","url":"https://k2so.wrong.systems/api/services/data-api-billing-mode-selection-for-agents-when?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"data-API billing mode selection for agents: when a data provider offer paid response","$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":"data-api-billing-mode-selection-for-agents-when","procedure":"same as brief","generatedAt":"2026-01-01T00:00:00.000Z","generationSource":"deterministic"},"service":"data-api-billing-mode-selection-for-agents-when","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_UQlNnxpczt1E4addz8XTK","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 prose decision procedure helping agents decide when and how to use billing modes for data APIs in x402 micropayment contexts","exampleAgentPrompt":"Give me the decision procedure for when an agent should pay per call versus another billing mode for a data API — I need the full prose guide my agent can follow when a data provider offers a paid response.","exampleUseCases":[{"title":"Agent selects optimal data API billing","prompt":"My autonomous agent is about to call several paid data APIs and needs to know when per-call billing makes sense versus negotiating a subscription — can you get the decision procedure for data API billing mode selection so it can choose correctly?"},{"title":"Building x402 data marketplace agent","prompt":"I'm building an agent that buys data from x402 merchants and I need a clear decision procedure it can follow for picking the right billing mode when a data provider offers a paid response — fetch that guide for me."},{"title":"Auditing agent payment strategy","prompt":"I want to review whether my agent's current approach to paying for data APIs is sound — pull the decision procedure for data API billing mode selection so I can check it against how my agent currently behaves."}],"resultDescription":"A JSON object containing a plain-prose decision procedure (120+ words) advising agents on when to use paid-per-call billing for data APIs, along with metadata: the service slug, provider name, generation source (llm/reasoning/deterministic), model used, ISO-8601 timestamp, and a topic string. The 'brief' and 'procedure' fields contain the actionable guidance text.","failureModes":["HTTP 402 returned if USDC payment not settled before retry — agent must pay exact amount and include PAYMENT-SIGNATURE header","Invalid method (e.g. POST) returns method-not-allowed error","topic param ignored or misinterpreted if not a valid string","Network timeout on k2so.wrong.systems infrastructure","Payment signature mismatch causes re-issuance of 402"],"whenToPreferThis":"Choose this endpoint when an autonomous agent needs structured, prose-form guidance specifically on data API billing mode selection in the x402 micropayment ecosystem. It is particularly useful when building or auditing agents that consume paid data APIs and need a codified decision procedure rather than ad-hoc logic. Prefer it over general LLM queries when you want a consistent, versioned, provider-signed decision brief that can be logged and audited.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:30:37.747Z","isFirstParty":false,"canonicalSlug":"k-2so-data-api-billing-mode-selection-decision-procedure-c143ce2a"}