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APEX Smart Contract Risk Check
x402
APEX Smart Contract Risk Check is a paid API for AI agents from apexfaucet.xyz, paid per call via x402, $0.004/call, status unknown (last checked 2026-10-01).
Analyzes a smart contract's bytecode on Base or Arc chain to detect dangerous owner privileges such as minting, pausing, blacklisting, fee changes, and upgradability
Price / call$0.004
Success—
StatusUnknown
How this service works
Smart contract risk check (Base, Arc): can the owner mint, pause, blacklist, change fees or upgrade the code? What can the people behind this contract do to holders? Pass ?chain=base|arc&address=0x... and we read its bytecode on chain (and the code behind a proxy): mint, pause, blacklist, change fees or taxes, cap wallets, switch trading off, upgrade the code. Plus proxy type, who owns it now (renounced or a live wallet or contract) and basic token data.
Output
Returns a set of boolean risk flags (mint, pause, blacklist, fee/tax change, wallet cap, trading switch, upgrade), the proxy type if applicable, the current owner address with indication of whether it is renounced or a live wallet/contract, and basic token metadata.
Example use cases
Pre-investment rug pull screening
“Before I buy this token on Base, can you check if the contract 0xabc123def456abc123def456abc123def456abc1 gives the team any dangerous powers — like minting, blacklisting, or pausing trading?”
DeFi protocol ownership audit
“Is the owner of this Arc contract 0xdeadbeef1234567890deadbeef1234567890dead still a live wallet, or has ownership been renounced? Also tell me if the contract can be upgraded or has any fee-change functions.”
Token contract proxy detection
“I want to know if this Base contract 0xfeedface0000000000feedface0000000000feed is a proxy and what kind — and whether whoever controls it can silently change the underlying code or swap fees on holders.”
Technical details
Endpoint
GEThttps://apexfaucet.xyz/api/x402/contract-flags?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need rapid, on-chain bytecode-level risk assessment for a specific ERC20 or DeFi contract on Base or Arc, particularly to detect dangerous owner privileges before investing or integrating. It is more targeted than a full audit and faster than manual bytecode review, especially when the contract may be a proxy.
Side effects
- Invalid or non-checksummed contract address returns an error
- Contract address is an EOA (externally owned account), not a contract
- Unsupported chain value other than 'base' or 'arc'
- Contract bytecode not yet indexed or very recently deployed
- Proxy target contract not resolvable or self-destructed
- Payment failure or insufficient USDC balance for x402 fee
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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