Agent payments / preflight evidence
Inspect the transaction before an agent signs it.
Combine read-only simulation, gas, destination proxy evidence, token risk, and allowance state without signing or broadcasting a transaction.
Questions this lane answers
- Would the proposed EVM call succeed without broadcasting it?
- Is the destination a common upgradeable proxy?
- What token-risk and allowance evidence should the agent review first?
Products in this lane
Agent Transaction PreflightRun a transaction simulation and EVM safety preflight with gas, destination proxy evidence, and optional token security and allowance checks in one decision-ready report.0.005 USDCLive ERC-20 Allowance CheckRead the current ERC-20 allowance for an owner, spender, and token from a supported EVM network without signing or broadcasting.0.003 USDCEVM Contract Proxy CheckInspect live bytecode and common EIP-1967 and EIP-1167 storage patterns to identify upgradeable contract proxy evidence.0.005 USDCRead-Only EVM Transaction SimulationRun a read-only transaction simulation with eth_call and eth_estimateGas against a supported public EVM RPC without signing or broadcasting.0.005 USDCLive Token Security SignalsRun a low-cost token security audit and honeypot check using current automated GoPlus risk fields for a supported EVM contract. These third-party signals are not a guarantee of safety.0.003 USDCBulk Token MetadataRead ERC-20 symbol, name, decimals, and raw total supply for up to ten contract addresses using live eth_call requests.0.05 USDCDEX Pool Liquidity DepthFetch live pair price, liquidity, volume, and price-change fields for a DEX pool address from DexScreener.0.05 USDCLive EVM Gas PriceRead the current eth_gasPrice value from a supported public Base, Ethereum, or Arbitrum JSON-RPC endpoint.0.01 USDC
Inspect the evidence before paying.
Each product page includes its source, input contract, live contract proof, and exact x402 price.