x402 • defi.hugen.tokyo /defi/simulate

Simulate an EVM transaction before execution — preview gas costs, token balance changes, approval modifications, and detect potential risks like sandwich attacks or unexpected token transfers. Supports any EVM chain including Ethereum, BSC, Polygon, Arbitrum, and Base. AI agent API for smart contract interaction safety, automated trading pre-flight checks, and transaction risk preview. Premium endpoint ($0.01). Accepts USDC payments on Base and Solana

x402 listing summary:

• Network: eip155:8453
• Asset: USD Coin (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913)
• Pay to: 0x29322Ea7EcB34aA6164cb2ddeB9CE650902E4f60
• Max amount: 10000 (atomic units)
• Method: POST
• Endpoint: https://defi.hugen.tokyo/defi/simulate
• Scheme: exact
• Timeout: 300s
• MIME: application/json
• Last updated: 2026-03-17T05:38:48.959Z
• x402 version: 2