{"uid":"cap_dDLI2pThFuam1ilPRb01c","slug":"sovereign-engine-cross-chain-route-executor-8fac481f","name":"Sovereign Engine – Cross-Chain Route Executor","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/cross-chain-route","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":"$0.15/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Y9SP9Er8fMIBA8jE3_UPh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.15","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Executes a cross-chain routing prompt via a pay-per-call x402 primitive, returning a structured result and receipt ID","exampleAgentPrompt":"Can you find the best cross-chain route to swap 500 USDC from Ethereum mainnet to Arbitrum, optimizing for lowest fees and fastest settlement?","exampleUseCases":[{"title":"Multi-hop token swap across three chains","prompt":"I need to move 1000 USDC from Ethereum to Optimism but cheaper than direct bridging—what's the optimal route that might hop through Base or Arbitrum to minimize fees?"},{"title":"Asset bridging cost comparison tool","prompt":"Should I bridge my ETH from Mainnet to Polygon directly or would it be cheaper to go through Arbitrum first? Show me the best path."},{"title":"Real-time cross-chain arbitrage routing","prompt":"I spotted an opportunity to buy USDC cheap on Base and sell it on Ethereum—calculate the fastest and cheapest route to move my funds and execute the arbitrage."}],"resultDescription":"Returns a JSON object with a 'data' field containing the routing result, a 'success' boolean, and a 'receipt_id' UUID confirming the paid x402 execution","failureModes":["Payment failure: insufficient USDC balance on Base causes 402 rejection","Invalid prompt: vague or malformed routing query returns empty or unhelpful data object","Network-blocked sandbox: any prompt requiring live on-chain data fetches may fail since network is blocked inside the execution sandbox","Rate limiting or facilitator downtime: self-hosted facilitator may be unavailable","Malformed response: success=false with empty data if route cannot be computed"],"whenToPreferThis":"Choose this endpoint when you need a pay-per-call, no-subscription cross-chain route computation backed by an isolated execution environment and x402 micropayment rails on Base; ideal for agents that want to pay only for what they use without API key management","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T08:26:35.591Z","isFirstParty":false}