{"uid":"cap_opXvWWqj2pfqq2Dth1BJ7","slug":"api-key-free-pay-per-call-migration-decision-procedure-ad691d08","name":"API-Key-Free Pay-Per-Call Migration Decision Procedure","description":"Paid agent-facing brief on API-key-free pay-per-call migration decision procedure for agents: when to replace API keys with x402 pay-per-call access · Build a decision procedure or schema for: API-key-free pay-per-call migration decision procedure for agents: when to replace API keys with x402 pay-per-call access. Include inputs, thresholds, failure modes. Falsifier: If free docs already solve the decision, paid product fai-0. Blunt decision procedure, not marketing.","url":"https://k2so-8080.on.ascii.dev/api/services/api-key-free-pay-per-call-migration-decision-pro","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"API-key-free pay-per-call migration decision procedure for agents: whe paid response","$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_esetTYaKx2hKPApdp4mpj","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 structured decision procedure for AI agents evaluating when to replace API keys with x402 pay-per-call access, including inputs, thresholds, and failure modes.","exampleAgentPrompt":"Give me a blunt, structured decision procedure for deciding whether to replace API keys with x402 pay-per-call access — I need clear inputs, thresholds, and failure modes, not marketing fluff.","exampleUseCases":[{"title":"API auth strategy evaluation for new agent","prompt":"I'm building a new AI agent that calls a bunch of third-party APIs — give me a decision procedure for figuring out which ones I should access via x402 pay-per-call instead of managing API keys."},{"title":"Cost-threshold analysis for existing API key setup","prompt":"We currently use API keys for all our external API calls, but I want to know at what usage thresholds it makes financial and operational sense to migrate some of them to x402 pay-per-call — can you give me a concrete decision framework?"},{"title":"Failure mode triage before x402 migration","prompt":"Before we migrate our agent pipeline to x402 pay-per-call, I need to know all the ways that decision could go wrong — give me a no-fluff list of failure modes and the conditions under which we should not make the switch."}],"resultDescription":"A structured decision procedure returned as prose and/or a procedure field, including the service slug, generation timestamp, generation source (llm, reasoning, or deterministic), and a brief describing inputs, decision thresholds, and failure modes for evaluating API key vs x402 pay-per-call migration.","failureModes":["Payment not sent or insufficient — returns 402 with no result content","Invalid or missing method parameter causes schema validation error","LLM generation failure returns ok:false with no brief","Topic override produces off-topic or empty procedure","Free docs already cover the decision — paid result may be redundant (noted as falsifier in description)"],"whenToPreferThis":"Choose this endpoint when an AI agent needs a concrete, opinionated decision procedure — not generic documentation — for evaluating whether to adopt x402 pay-per-call over API keys. Prefer it when you need explicit thresholds, failure modes, and a falsifiable framework rather than marketing materials or broad overviews.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T13:02:58.243Z","isFirstParty":false}