{"uid":"cap_2-KsKsBdVOtKv-j8ZqFqD","slug":"sovereign-engine-r2-store-26ab7f8b","name":"Sovereign Engine R2 Store","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/exec/r2-store","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":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Y3BXwGNjl8QirrW2aWdkZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Stores data or execution results to Cloudflare R2 object storage via a pay-per-call x402 primitive, returning a receipt ID on success.","exampleAgentPrompt":"Store this JSON result to R2 object storage using the Sovereign Engine — here's the payload: {\"report\": \"Q2 sales summary\", \"total\": 142000}.","exampleUseCases":null,"resultDescription":"Returns a JSON object with a success boolean, a uuid receipt_id confirming the write operation, and a data object containing any metadata about the stored resource.","failureModes":["Payment failure — insufficient USDC balance or x402 payment not accepted, returns 402","Storage write failure — R2 backend error, returns error in response body with success:false","Invalid input — malformed prompt/payload, returns validation error","Rate limiting or quota exceeded on the self-hosted facilitator","Network timeout to R2 backend"],"whenToPreferThis":"Choose this endpoint when you need lightweight, pay-per-call object storage to R2 without managing credentials or infrastructure, especially in agentic workflows already using x402/USDC micropayments on Base. Prefer over S3 or managed storage when cost-per-call billing and Cloudflare edge proximity matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:25:37.605Z","isFirstParty":false}