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 SignalsCheck Base and other supported EVM tokens for security risks and honeypot signals using current GoPlus token security data. 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.