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EIP-7702 Wallet Delegation Checker
x402
EIP-7702 Wallet Delegation Checker is a paid API for AI agents from 402.com.tr, paid per call via x402, $0.03/call, status unknown (last checked 2026-09-14).
Reads the EIP-7702 delegation designator on a Base EOA address and verdicts whether it is not delegated, delegated to a known safe contract (e.g. Coinbase SmartWallet), delegated to an unknown/potentially malicious contract, or is a smart contract.
Price / call$0.03
Success—
StatusUnknown
How this service works
🆕 Since Pectra an EOA can carry EIP-7702 delegated code (the 0xef0100 designator): every call to the wallet executes the DELEGATE's contract with the wallet's funds — a malicious delegate is total takeover, invisible to approval tools. Reads the designator, resolves the delegate and verdicts it: not_delegated / delegated_known (Coinbase's EOA→SmartWallet path) / delegated_unknown (🚨) / smart_contract. The drain surface no other Base tool checks.
Output
Returns a verdict classifying the wallet as one of: not_delegated (no delegate code), delegated_known (e.g. Coinbase EOA→SmartWallet, considered safe), delegated_unknown (🚨 high-risk, unrecognized delegate that could be malicious), or smart_contract. Also resolves and returns the delegate contract address when applicable.
Example use cases
Example prompt
“Before I interact with this wallet 0x1234...abcd, can you check if it has any EIP-7702 delegation set — I want to know if it's delegated to a known safe contract like Coinbase SmartWallet or something suspicious I should be worried about?”
Technical details
Endpoint
GEThttps://402.com.tr/api/x402/wallet-delegationWhen to prefer
Use this endpoint when you need to detect EIP-7702 wallet delegation risk on Base — specifically the 0xef0100 designator introduced by the Pectra upgrade — which is invisible to standard token approval scanning tools. Prefer this over generic wallet scanners when evaluating whether an EOA has been silently delegated to a malicious contract before interacting with it.
Side effects
- Invalid or malformed wallet address returns an error
- Non-Base network address may not resolve correctly
- Network or RPC timeout causes failed lookup
- Unknown delegate contracts classified as delegated_unknown may be benign but newly deployed contracts
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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