{"uid":"cap_EETcEmII9L0QgK8ca39_v","slug":"sovereign-engine-browser-workflow-1722f8b9","name":"Sovereign Engine – Browser Workflow","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/browser-workflow","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":"0.5","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":"$0.5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_waTfc9a_GxDntQTx6RNJq","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Executes a browser-based workflow task via a prompt, paid per-call with USDC on Base using the x402 protocol","exampleAgentPrompt":"Go to the top Hacker News posts today, summarize the top 5 headlines and their links, and return the results — charge the $0.50 USDC fee via x402 on Base.","exampleUseCases":[{"title":"Monitor competitor pricing updates daily","prompt":"Search for the latest pricing pages of our three main competitors, extract their current product prices and any discounts advertised, and send me back a summary with links — charge the micro fee via x402."},{"title":"Extract job postings from tech boards","prompt":"Find the newest job postings on Hacker News and relevant tech boards for senior engineer roles, pull the titles, company names, and application links, then summarize what I'm seeing — use x402 to handle the payment."},{"title":"Track real-time cryptocurrency market news","prompt":"Search for the latest news on Bitcoin and Ethereum from financial RSS sources, grab the top 10 articles with their headlines and links, and give me a quick summary of market sentiment — charge the transaction fee through x402 on Base."}],"resultDescription":"Returns a JSON object with a `data` field containing the workflow output, a `success` boolean indicating whether the task completed, and a `receipt_id` UUID confirming the x402 micropayment transaction.","failureModes":["Prompt is ambiguous or malformed — returns success: false with empty data","Network access blocked inside sandbox — tasks requiring external HTTP calls beyond Bing RSS may fail","x402 payment rejected or insufficient USDC balance — call is not executed","Workflow times out in Cloudflare Worker sandbox — partial or no result returned","Unsupported language or runtime requested — only JavaScript and Python are supported"],"whenToPreferThis":"Choose this endpoint when you need to execute browser-oriented or web-search-driven workflow tasks on a pay-per-call basis without provisioning your own infrastructure. It is ideal for AI agents that need to access web content via Bing RSS search, run lightweight JavaScript or Python logic in an isolated sandbox, and settle payment atomically via x402 USDC on Base. Prefer alternatives if your task requires unrestricted outbound network access, long-running background jobs, or languages beyond JavaScript and Python.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T14:28:19.704Z","isFirstParty":false}