{"uid":"cap_IU5qxL3POfnfytC0gOLF1","slug":"vibe-shield-evm-transaction-simulator-8059499e","name":"VIBE Shield — EVM Transaction Simulator","description":"Top Picks: AI-verified smart money tokens every 30 min. 6-dimension scores, one-sentence thesis, smart money flow data. Plus 50+ crypto-data endpoints via x402 USDC on Base. No API keys, no accounts.","url":"https://api.vibe.airforce/api/x402/vibe-tools/shield/simulate","method":"POST","headers":{},"bodySchema":{"type":"object","required":["tx_data","from_address"],"properties":{"network":{"type":"string","description":"EVM network"},"tx_data":{"type":"object","description":"Transaction data to simulate"},"from_address":{"type":"string","description":"Sender address"}}},"responseSchema":{},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.015","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.015/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1p_gkuVxLqxTu8e2iv5aO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.015","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Simulates an EVM transaction before submission to predict outcomes and detect risks, using a specified sender address and transaction data on a chosen network.","exampleAgentPrompt":"Before I send this transaction, simulate it on Base for me — the sender is 0xAbc123... and here's the tx_data object — I want to know if it'll succeed or revert and flag any risks.","exampleUseCases":null,"resultDescription":"Returns a simulation result indicating whether the transaction would succeed or fail on the specified EVM network, including predicted outcomes, potential revert reasons, and any risk or shield-related signals surfaced by the VIBE analysis layer.","failureModes":["Invalid or malformed tx_data object returns an error","Unsupported EVM network identifier causes rejection","Invalid from_address format (non-checksummed or non-hex) causes failure","Simulation timeout if the network node is unreachable","Payment not completed via x402 USDC on Base results in 402 response","Empty or missing required fields (tx_data, from_address) returns validation error"],"whenToPreferThis":"Choose this endpoint when you need to dry-run or pre-validate an EVM transaction before broadcasting it on-chain, especially when safety-checking DeFi interactions, smart contract calls, or any transaction where reverts or MEV risk are a concern. It is particularly useful in agentic workflows where confirming transaction safety before spending gas is critical.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:56:08.358Z","isFirstParty":false}