{"uid":"cap_SojnSwQVYsdEGiPGDDeWz","slug":"sovereign-engine-cf-embed-execution-primitive-c04a527e","name":"Sovereign Engine - CF Embed Execution Primitive","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/embed","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_yIApVLljgMm4wXr0k1pkz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Executes a prompt-driven primitive (code execution or web search) in an isolated Cloudflare sandbox, paid per-call via USDC on Base using x402","exampleAgentPrompt":"Run this JavaScript snippet in a sandboxed environment and give me the output: `function fib(n) { return n <= 1 ? n : fib(n-1)+fib(n-2); } console.log(fib(10));` — pay the $0.001 USDC fee automatically.","exampleUseCases":null,"resultDescription":"A JSON object containing a `data` field with the execution or search result, a `success` boolean, and a `receipt_id` UUID confirming the x402 micropayment was processed.","failureModes":["Network access blocked inside sandbox — outbound HTTP calls from code will fail silently or error","Payment not processed — x402 USDC transaction on Base failed, returning 402 response","Invalid or malformed prompt — may return success:false with empty data","Python/JS syntax errors in submitted code — execution fails and error message returned in data","Cloudflare Worker cold start or timeout — may return a timeout error for long-running scripts"],"whenToPreferThis":"Choose this endpoint when you need isolated, pay-per-call code execution (JavaScript or Python) or Bing-backed web search without managing infrastructure, and you want to pay only $0.001 USDC per call via x402 on Base. Ideal for agents that need to run untrusted or ephemeral code safely, or perform lightweight web searches, without committing to a subscription or standing up their own sandbox.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T10:25:48.045Z","isFirstParty":false}