contractlens-api.appin60.com
Live EIP-1559 gas on Ethereum, Base, Arbitrum, Optimism, Polygon or BNB: base fee, slow/standard/fast priority tiers from the last 20 blocks, ready-to-use maxFeePerGas values, and estimated cost of an ETH transfer, ERC-20 transfer, approve and Uniswap swap.
- Category
- Crypto & DeFi
- Starting price
- $0.001
- Paid calls · 30 days
- 24
- Unique payers · 30 days
- 22
Paid endpoints
6 endpoints, sorted by usage. Prices are per request.
- GET/gas
Live EIP-1559 gas on Ethereum, Base, Arbitrum, Optimism, Polygon or BNB: base fee, slow/standard/fast priority tiers from the last 20 blocks, ready-to-use maxFeePerGas values, and estimated cost of an ETH transfer, ERC-20 transfer, approve and Uniswap swap.
$0.001Base9calls / 30d - GET/address
What is this address? Classifies any EVM address before you send to it or trust it: EOA, EIP-7702 delegated EOA (with delegate), Safe multisig (threshold and owners), timelock (delay), ERC-20 token, upgradeable proxy or other contract, plus native balance and nonce. Ethereum, Base, Arbitrum, Optimism, Polygon, BNB.
$0.002Base4calls / 30d - GET/token
Fast token risk verdict (1-3 s) for trading agents: LOW/MEDIUM/HIGH with reasons for any ERC-20. Who controls it (renounced, single key, Safe, timelock), upgradeable proxy, admin powers in the bytecode (mint, blacklist, pause, sell tax, trading switch), Sourcify status, DEX liquidity, buys/sells and pair age. Ethereum, Base, Arbitrum, Optimism, Polygon, BNB. Use before buying a token. Not financia
$0.005Base4calls / 30d - GET/payability
x402 payability check for sellers: can a real buyer actually pay your endpoint? Sends one payment signed by a fresh unfunded key through your server and facilitator. A payable endpoint fails only on balance; anything else (bad schema, long description, wrong EIP-712 domain, facilitator error) is reported with the exact reason. Base USDC, x402 v1 and v2.
$0.01Base3calls / 30d - GET/scan
Smart contract security scan for AI agents: give a chain id and contract address, get Slither static-analysis findings (reentrancy, unchecked calls, arbitrary sends, etc.), proxy/upgradeability status and the list of owner/role-gated admin functions (mint, pause, blacklist, upgrade). Works on any Sourcify-verified contract on Ethereum, Base, Arbitrum, Optimism, Polygon, BNB. Use before approving,
$0.01Base3calls / 30d - GET/audit
x402 seller audit for a whole origin: finds your paid routes (GET and POST) in /.well-known/x402, /openapi.json and your own CDP Bazaar listings, then sends each one an unfunded test payment through your server and facilitator. Per-route verdict, exact rejection reason and a fix hint. Up to 40 routes, one payment.
$0.25Base1calls / 30d