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Mint Intel: Base Proxy Contract Detection
x402
Mint Intel: Base Proxy Contract Detection is a paid API for AI agents from mintintel.35-171-220-195.sslip.io, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-31).
Detects upgradeable proxy patterns on Base chain and returns the implementation, admin, and beacon addresses behind a given proxy contract address.
Price / call$0.001
Success—
StatusUnknown
How this service works
Detect upgradeable proxies on Base via eth_getStorageAt - EIP-1967 (transparent, UUPS, beacon), legacy OpenZeppelin (zos), EIP-1822, Safe, EIP-1167 clones and EIP-7702 delegation - and return the implementation, admin and beacon addresses behind the proxy.
Output
Returns the contract address queried, a boolean indicating whether it is a proxy, the detected proxy standard (e.g. EIP-1967 transparent, UUPS, beacon, EIP-1167, EIP-1822, Safe, EIP-7702, OpenZeppelin zos), and the resolved implementation address, admin address, and/or beacon address as applicable.
Example use cases
Audit upgradeable proxy before interaction
“Before I interact with this Base contract at 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48, can you check if it's a proxy and tell me what implementation contract it points to and who the admin is?”
Verify EIP-1967 transparent proxy setup
“I'm doing a security review — is the Base contract 0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD using an EIP-1967 transparent proxy pattern, and what's the underlying logic contract address?”
Detect minimal clone proxy on Base
“Can you check whether the Base address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 is an EIP-1167 minimal proxy clone and what contract it delegates to?”
Technical details
Endpoint
GEThttps://mintintel.35-171-220-195.sslip.io/v1/base/proxy/:address?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to determine whether a Base chain contract is a proxy and resolve its underlying implementation, admin, or beacon address. It covers all major proxy standards (EIP-1967, UUPS, beacon, EIP-1167, EIP-1822, Safe, EIP-7702, legacy OpenZeppelin) in a single call. Prefer this over raw eth_getStorageAt calls when you want a high-level answer without manually computing storage slots for each proxy standard.
Side effects
- Address is not a contract (EOA) — returns isProxy: false with no implementation data
- Invalid or malformed address format — returns 400 error
- Contract exists but uses no recognized proxy pattern — returns isProxy: false
- RPC node unavailable or Base network issues — returns 5xx error
- Address has no storage at known proxy slots — treated as non-proxy
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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