EVM Tx Toolkit

Six premium x402 endpoints across 5 EVM chains: canonical /v1 routes plus OATP-style /tools/tx_explainer, /tools/tx_simulator, /tools/token_risk_scan aliases for transaction explainer, transaction simulation, pre-signing safety, rug risk, token risk scan, approval risk, balance changes, and 0-100 risk score discovery.

Skills

• Transaction Explainer (EVM)
  Decode a confirmed transaction on Base, Ethereum, Arbitrum, Optimism, or Polygon into a human-readable summary with all token transfers, swap legs, and event labels. $0.10/call.
  baseethereumarbitrumoptimismpolygonevmtransactionexplaindecodetracemultichain
• Transaction Simulator (EVM)
  Simulate an unsent transaction on Base, Ethereum, Arbitrum, Optimism, or Polygon. Returns success/revert + decoded revert reason + gas estimate. $0.20/call.
  baseethereumarbitrumoptimismpolygonevmsimulatepreflighteth_calltracemultichain
• ERC-20 Risk Scan
  Score an ERC-20 on Base, Ethereum, Arbitrum, Optimism, or Polygon for rug/risk factors: proxy detection, mint authority, honeypot (via GoPlus), tax, ownership, composite 0–100 score + verdict. $0.50/call.
  baseethereumarbitrumoptimismpolygonevmerc20rughoneypotriskholdersproxymultichain
• tx_explainer — Transaction Explainer Alias
  Winner-shaped /tools/tx_explainer route: EVM transaction explainer for human-readable transaction summaries, contracts invoked, token balance changes, approvals, gas/fee, transfers, and one-line summary. $0.10/call.
  tx_explainertransaction explainertransactionbalance changesapproval riskpre-signingbaseevm
• tx_simulator — Transaction Simulation Alias
  Winner-shaped /tools/tx_simulator route: EVM transaction simulation for pre-signing safety, revert reason, gas estimate, approval risk, and likely balance-change posture. $0.20/call.
  tx_simulatortransaction simulationpre-signingsimulateapproval riskbaseevm
• token_risk_scan — Rug Risk / Token Risk Scan Alias
  Winner-shaped /tools/token_risk_scan route: Base/EVM token risk scan for rug risk, honeypot/tax flags, proxy/owner control, holder/liquidity danger, approval risk, and 0-100 risk score. $0.50/call.
  token_risk_scantoken risk scanrug risk0-100 risk scoreapproval riskliquidityholder concentrationbaseevm

How to call

https://evm-tx-toolkit.mtree.workers.dev