{"uid":"cap_FpUiTV8exn0mG3tRn_roP","slug":"live-merchant-inference-cost-index-probe-grounded-composite-8cc0079d","name":"Live Merchant Inference-Cost Index: Probe-Grounded Composite","description":"Paid agent-facing brief on Live merchant inference-cost index: probe-grounded composite index of x402/MPP LLM-inference merchants with per-token effective price, markup versus raw model price, corpse detection, and a fallback ladder of cheaper equivalent offers. Distinct from raw model-pricing snapshots (covers merchant billed price, not sticker price) and from the fee index (rails, not inference). · Build a decision proced-0. Blunt decision procedure, not marketing.","url":"https://k2so.wrong.systems/api/services/live-merchant-inference-cost-index-probe-grounde?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":"Live merchant inference-cost index: probe-grounded composite paid 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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":"live-merchant-inference-cost-index-probe-grounde","procedure":"same as brief","generatedAt":"2026-01-01T00:00:00.000Z","generationSource":"deterministic"},"service":"live-merchant-inference-cost-index-probe-grounde","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_VqZKXjVeaWqqcwkTseUIU","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 decision-procedure brief on LLM-inference merchant costs via x402/MPP rails, covering effective per-token prices, markup over raw model price, corpse detection, and a fallback ladder of cheaper equivalent offers.","exampleAgentPrompt":"Give me the current live inference-cost index for x402/MPP LLM merchants — I need effective per-token prices, how much markup each charges over raw model price, any corpse detection flags, and a fallback ladder of cheaper equivalent options so I can pick the best merchant right now.","exampleUseCases":[{"title":"Cheapest inference merchant selection","prompt":"Before I make my next batch of LLM calls, pull the live merchant inference-cost index and tell me which x402 merchant has the lowest effective per-token price right now, including any markup over raw model sticker price."},{"title":"Dead merchant corpse detection","prompt":"I think one of the inference merchants I've been using on x402 rails has gone dark — can you check the live merchant index for corpse detection flags and tell me which providers are still active?"},{"title":"Fallback ladder for cost spikes","prompt":"My primary inference merchant just got expensive — use the live probe-grounded inference-cost index to give me a ranked fallback ladder of cheaper equivalent x402 merchants I can switch to immediately."}],"resultDescription":"Returns a JSON object with a plain-prose decision procedure (120+ words) covering: effective per-token billed prices for active x402/MPP LLM-inference merchants, markup versus raw model price, corpse detection status for each merchant, and a prioritized fallback ladder of cheaper equivalent options. Also includes the generation timestamp, model used, and generation source (llm, reasoning, or deterministic).","failureModes":["Payment not received or x402 payment flow incomplete — returns unpaid/unauthorized response","Service handler error — ok:false in result object with no brief returned","No active merchants detected — index may return empty fallback ladder","LLM generation failure — generationSource may fall back to deterministic with reduced detail","Invalid queryParams values — schema validation error if non-enum values supplied for meta field"],"whenToPreferThis":"Choose this endpoint when an agent needs live, merchant-billed (not sticker) per-token pricing across x402/MPP inference providers, including markup analysis, liveness/corpse detection, and a structured fallback recommendation — as opposed to raw model pricing snapshots or rail fee indexes. Prefer this over static pricing databases when you need current probe-verified data and a blunt, actionable decision procedure rather than marketing material.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T06:44:11.649Z","isFirstParty":false,"canonicalSlug":"live-merchant-inference-cost-index-probe-grounded-composite-8cc0079d"}