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Basename/ENS Name Resolution (Base)
x402
Basename/ENS Name Resolution (Base) is a paid API for AI agents from payai.agentstools.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-13).
Resolves Basename/ENS names to Ethereum addresses (forward) or resolves addresses back to names (reverse, with spoofing protection) on the Base network.
Price / call$0.005
Success—
StatusUnknown
How this service works
Basename/ENS resolution on Base: forward name->address (give 'name') or reverse address->name (give 'address', forward-verified against spoofing).
Output
Returns the resolved Ethereum address for a given Basename/ENS name (forward lookup), or returns the verified Basename/ENS name for a given Ethereum address (reverse lookup, forward-verified to prevent spoofing). Provides human-readable name-to-address or address-to-name mapping on Base.
Example use cases
Payment verification with spoofing detection
“I'm about to send funds to someone who gave me the address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045. Can you reverse lookup their Basename to confirm their identity and make sure it's not spoofed?”
Resolving crypto names to wallets
“A user just mentioned they're 'alice.base.eth' in the chat. What's their actual Ethereum wallet address so I can transfer the payment?”
Verifying registered names for accounts
“I want to check if the address 0x1234567890123456789012345678901234567890 has a registered Basename on Base, and if so, what is it?”
Technical details
Endpoint
GEThttps://payai.agentstools.dev/resolveWhen to prefer
Use this endpoint when you need to resolve human-readable Basename/ENS names to Ethereum addresses (or vice versa) specifically on the Base network. Prefer this over generic ENS resolvers when working with Base-native identities (*.base.eth) or when you need spoofing-protected reverse resolution. Ideal for payment flows where you want to confirm a wallet address matches a known Base username.
Side effects
- Name not found: the Basename/ENS name has no registered address
- Address has no reverse record: the address has not set a Basename/ENS reverse record
- Forward verification failure: reverse record name does not resolve back to the given address (spoofing detected)
- Invalid input: neither 'name' nor 'address' query parameter provided
- Malformed address: address parameter is not a valid Ethereum address
- Network/RPC error resolving ENS on Base
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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