{"uid":"cap_OI8YOBkgeUqL17KqXC94p","slug":"api-key-to-x402-mpp-keyless-payment-migration-decision-procedure-0535a3f2","name":"API-Key to x402/MPP Keyless Payment Migration Decision Procedure","description":"Paid agent-facing brief on API-key to x402/MPP keyless payment migration decision procedure for autonomous agents: when to drop API keys and subscriptions for pay-per-call x402, key rotation failure cost, migration verdict per endpoint-0. Blunt decision procedure, not marketing.","url":"https://k2so.wrong.systems/api/services/api-key-to-x402-mpp-keyless-payment-migration-de","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"API-key to x402/MPP keyless payment migration decision procedure for a paid response","$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":"api-key-to-x402-mpp-keyless-payment-migration-de","procedure":"same as brief","generatedAt":"2026-01-01T00:00:00.000Z","generationSource":"deterministic"},"service":"api-key-to-x402-mpp-keyless-payment-migration-de","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_hY6l83UoT7R5kRFZTTAXc","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":"Delivers a blunt, paid decision-procedure brief for autonomous agents on when and whether to migrate from API-key/subscription billing to pay-per-call x402 keyless payments, including key-rotation failure cost analysis and per-endpoint migration verdicts.","exampleAgentPrompt":"Give me a blunt decision on whether I should migrate from API keys to x402 pay-per-call payments for my autonomous agent — I want to know when to drop subscriptions, what key rotation failures cost me, and a migration verdict for my endpoint.","exampleUseCases":[{"title":"Agent fleet payment architecture review","prompt":"My agent fleet currently uses API keys and subscriptions for a dozen third-party services — should I migrate to x402 pay-per-call? Give me a blunt decision procedure including the real cost of key rotation failures and a verdict for each endpoint type."},{"title":"Startup evaluating x402 for new agent product","prompt":"We're building a new autonomous agent product and trying to decide whether to architect around API keys or x402 keyless per-call payments from day one — can you get me a decision brief on when x402 wins and when subscriptions are still better?"},{"title":"Single endpoint migration verdict","prompt":"I have a specific high-traffic API endpoint my agent calls constantly and I'm wondering if switching it from API-key billing to x402 pay-per-call makes economic sense — can you run the migration decision procedure and tell me what the verdict is?"}],"resultDescription":"A paid prose brief containing a structured decision procedure for migrating from API keys/subscriptions to x402/MPP keyless pay-per-call payments, including: conditions under which migration is recommended, the cost model for key rotation failures, and a per-endpoint migration verdict. Also returns metadata fields: service slug, generation source (llm/reasoning/deterministic), ISO-8601 timestamp, and payment confirmation details.","failureModes":["Payment not provided — returns 402 with payment instructions if USDC payment not attached","Invalid or unsupported HTTP method — only GET/HEAD/DELETE accepted","Handler failure — ok:false with no brief returned if generation fails internally","Topic override not recognized or too vague — may return generic procedure rather than endpoint-specific verdict","Network timeout on LLM/reasoning backend — delayed or empty result"],"whenToPreferThis":"Choose this endpoint when an autonomous agent or its operator needs a concrete, actionable decision framework — not marketing copy — on whether to migrate payment infrastructure from API keys to x402/MPP. Particularly valuable when key rotation costs, subscription overhead, or per-call economics are in question. Best used before committing to a payment architecture change or auditing an existing agent's cost structure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T19:02:40.536Z","isFirstParty":false}