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VIBE Shield — EVM Transaction Simulator
x402
VIBE Shield — EVM Transaction Simulator is a paid API for AI agents from api.vibe.airforce, paid per call via x402, $0.015/call, status unknown (last checked 2026-09-15).
Simulates an EVM transaction before submission to predict outcomes and detect risks, using a specified sender address and transaction data on a chosen network.
Price / call$0.015
Success—
StatusUnknown
How this service works
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Output
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.
Example use cases
Example prompt
“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.”
Technical details
Endpoint
POSThttps://api.vibe.airforce/api/x402/vibe-tools/shield/simulateWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| network | string | EVM network |
| tx_datarequired | object | Transaction data to simulate |
| from_addressrequired | string | Sender address |
Output
Schema · Response
{}Tags
x402
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