{"uid":"cap_BzBgWXPAFhJA6bCSjCTeD","slug":"sovereign-engine-llm-cached-0090ffd7","name":"Sovereign Engine LLM Cached","description":"Pay-per-call x402 execution primitives (USDC on Base). Code execution runs in isolated Cloudflare Dynamic Worker sandboxes (JavaScript + Python, network blocked). Web search backed by Bing RSS. Self-hosted facilitator.","url":"https://api.zuluworksai.com/cf/llm-cached","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"prompt":{"type":"string","description":"The input prompt"}}},"responseSchema":{"type":"json","example":{"data":{},"success":true,"receipt_id":"uuid"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.0005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NGFz6AYprDEfe2qTmBhuz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Executes a cached LLM inference call via x402 pay-per-call, paid in USDC on Base, with results returned as structured JSON","exampleAgentPrompt":"Send this prompt to the Sovereign Engine LLM cached endpoint and pay the $0.0005 USDC x402 fee: 'Summarize the key differences between proof-of-work and proof-of-stake blockchains in three bullet points.'","exampleUseCases":null,"resultDescription":"Returns a JSON object with a 'data' field containing the LLM's response, a 'success' boolean, and a 'receipt_id' UUID confirming the paid call was processed.","failureModes":["Insufficient USDC balance or failed x402 payment — returns 402 Payment Required","Empty or missing prompt field — returns validation error","LLM inference timeout in Cloudflare Worker sandbox","Cached response unavailable, triggering fresh inference with possible higher latency","Network error reaching the self-hosted facilitator — returns 5xx"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call LLM inference billed in USDC on Base via the x402 protocol, with no subscription required and response caching for cost efficiency. Ideal for agents that need occasional AI text generation without committing to a subscription-based LLM API.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T16:28:01.309Z","isFirstParty":false}