{"uid":"cap_KsQNVtMNdJqWzNFVkgb46","slug":"k-2so-x402-pay-per-call-inference-endpoint-selection-cost-normalization-ec9306b5","name":"K-2SO x402 Pay-Per-Call Inference Endpoint Selection & Cost Normalization","description":"Paid agent-facing brief on x402 pay-per-call inference endpoint selection and cost normalization procedure for agents (DePIN/x402 inference rails, per-token cost, fallback ladder) · Build a decision procedure or schema for: x402 pay-per-call inference endpoint selection and cost normalization procedure for agents (DePIN/x402 inference rails, per-token cost, fallback ladder). Include inputs, thresholds, failure modes. Falsif-0. Blunt decision procedure, not marketing.","url":"https://k2so.wrong.systems/api/services/x402-pay-per-call-inference-endpoint-selection-a","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"x402 pay-per-call inference endpoint selection and cost normalization paid response","$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":"x402-pay-per-call-inference-endpoint-selection-a","procedure":"same as brief","generatedAt":"2026-01-01T00:00:00.000Z","generationSource":"deterministic"},"service":"x402-pay-per-call-inference-endpoint-selection-a","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_u154Gm7wGgdzfV2wf6PI2","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 AI-generated decision procedure (prose brief) guiding an autonomous agent on how to select and cost-normalize x402 pay-per-call inference endpoints","exampleAgentPrompt":"Give me a decision procedure for selecting the right x402 pay-per-call inference endpoint — I need plain-prose guidance on how to evaluate and cost-normalize options, specifically for inference use cases.","exampleUseCases":[{"title":"Agent selects cheapest inference endpoint","prompt":"My autonomous agent needs a step-by-step decision procedure for picking between multiple x402 inference endpoints — walk it through how to evaluate cost per call and normalize pricing so it always chooses the most efficient option."},{"title":"LLM routing logic for agent fleet","prompt":"I'm building a fleet of AI agents that need to route requests to different inference providers via x402 micropayments — give me a decision procedure they can follow to pick the right endpoint for each task type."},{"title":"Audit x402 inference spend decisions","prompt":"Can you generate the K-2SO decision brief for x402 pay-per-call inference endpoint selection? I want to review what logic an autonomous agent should apply before committing USDC to an inference call."}],"resultDescription":"A JSON object containing a plain-prose decision procedure brief (120+ words) for selecting and cost-normalizing x402 pay-per-call inference endpoints, including the service slug, topic, the model that generated it, an ISO-8601 timestamp, and a generationSource enum indicating whether the procedure came from an LLM, reasoning engine, or deterministic logic. The 'brief' and 'procedure' fields carry the actionable agent guidance.","failureModes":["HTTP 402 returned if USDC payment not yet settled — agent must pay exact amount and retry with PAYMENT-SIGNATURE header","Invalid method (POST/PUT/PATCH) returns an error — only GET/HEAD/DELETE are accepted","Malformed topic override may produce off-target decision procedure","If meta=1 is not set and payment is absent, no result content is returned","Network or agent merchant downtime on k2so.wrong.systems may cause timeouts"],"whenToPreferThis":"Choose this endpoint when an autonomous agent needs structured, prose-form guidance on how to evaluate and select among multiple x402 pay-per-call inference endpoints — particularly when cost normalization across providers is required. Prefer it over generic LLM prompts when you want a curated, merchant-vetted decision procedure specifically scoped to the x402 micropayment ecosystem on Base. It is especially useful for agent orchestration layers that need a repeatable, auditable selection logic rather than ad-hoc reasoning.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T19:01:49.163Z","isFirstParty":false}