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Base Address Inspector

Inspect any Base address: EOA vs contract vs EIP-7702 delegated, ETH balance, nonce, proxy implementation (EIP-1967/1167/zos), and ERC-20 name/symbol/decimals/supply.

Visit automaton-tx-explainer.vercel.app

Host	automaton-tx-explainer.vercel.app
Price	$0.005–$0.01 per call
Network	Base
Paid endpoints listed	17
Calls, last 30 days*	36
Most unique payers on one endpoint (30 days)*	3
Last paid call*	2026-10-17
Tags	onchain, evm, crypto, base, bsc, ethereum, security, phishing

* From the public x402 Bazaar index (snapshot 2026-10-18T04:07Z); reported by the facilitator, not measured by us.

Endpoints

URL	Method	Price
`https://automaton-tx-explainer.vercel.app/v1/base/address` Inspect any Base address: EOA vs contract vs EIP-7702 delegated, ETH balance, nonce, proxy implementation…	GET	$0.005
`https://automaton-tx-explainer.vercel.app/v1/base/tx` Explain a Base transaction: status, fee, decoded method + args (openchain signature DB), and ERC-20 transfers with…	GET	$0.01
`https://automaton-tx-explainer.vercel.app/v1/url-safety` Check a URL for phishing/scam signals: MetaMask eth-phishing-detect + Phishing.Database blocklists, RDAP domain age,…	GET	$0.005
`https://automaton-tx-explainer.vercel.app/v1/gas` Live gas snapshot for Base, Ethereum and BNB Smart Chain: gas price, base fee, block utilization, and estimated native…	GET	$0.005
`https://automaton-tx-explainer.vercel.app/v1/ens` Resolve an ENS name or Basename to an address (plus url/twitter/github text records), or reverse-resolve an address to…	GET	$0.005
`https://automaton-tx-explainer.vercel.app/v1/portfolio` Wallet snapshot across Base, Ethereum and BNB Smart Chain: native balance plus balances of 8 major tokens per chain…	GET	$0.01
`https://automaton-tx-explainer.vercel.app/v1/bsc/tx` Explain a BNB Smart Chain transaction: status, fee, decoded method + args (openchain signature DB), and ERC-20…	GET	$0.01
`https://automaton-tx-explainer.vercel.app/v1/ethereum/approvals` Check a Ethereum wallet's ERC-20 approvals: allowances for 8 major tokens (USDC, USDT, WETH, DAI...) to common…	GET	$0.005
`https://automaton-tx-explainer.vercel.app/v1/ethereum/address` Inspect any Ethereum address: EOA vs contract vs EIP-7702 delegated, ETH balance, nonce, proxy implementation…	GET	$0.005
`https://automaton-tx-explainer.vercel.app/v1/ethereum/tx` Explain a Ethereum transaction: status, fee, decoded method + args (openchain signature DB), and ERC-20 transfers with…	GET	$0.01
`https://automaton-tx-explainer.vercel.app/v1/base/contract-risk` Heuristic risk flags for a Base contract from free public data: Sourcify verification, upgradeable proxy + admin,…	GET	$0.01
`https://automaton-tx-explainer.vercel.app/v1/base/approvals` Check a Base wallet's ERC-20 approvals: allowances for 8 major tokens (USDC, WETH, USDbC, DAI...) to common spenders…	GET	$0.005
`https://automaton-tx-explainer.vercel.app/v1/decode` Decode EVM calldata before signing: function signature candidates (openchain DB), decoded args, and plain-English…	GET	$0.005
`https://automaton-tx-explainer.vercel.app/v1/bsc/address` Inspect any BNB Smart Chain address: EOA vs contract vs EIP-7702 delegated, BNB balance, nonce, proxy implementation…	GET	$0.005
`https://automaton-tx-explainer.vercel.app/v1/bsc/approvals` Check a BNB Smart Chain wallet's ERC-20 approvals: allowances for 8 major tokens (USDT, USDC, WBNB, BUSD...) to common…	GET	$0.005
`https://automaton-tx-explainer.vercel.app/v1/ethereum/contract-risk` Heuristic risk flags for a Ethereum contract from free public data: Sourcify verification, upgradeable proxy + admin,…	GET	$0.01
`https://automaton-tx-explainer.vercel.app/v1/bsc/contract-risk` Heuristic risk flags for a BNB Smart Chain contract from free public data: Sourcify verification, upgradeable proxy +…	GET	$0.01

Source: x402 Bazaar discovery API (Coinbase CDP) · Licence: Public discovery metadata; descriptions by each provider. Listed in x402 pay-per-call APIs. We list tools; we do not test, rate or endorse them.

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