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x402 ENS Resolver
x402
x402 ENS Resolver is a paid API for AI agents from x402tap.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-11).
Resolve an ENS name (e.g. vitalik.eth) to its EVM address, or reverse-resolve an EVM address to its primary ENS name
Price / call$0.01
Success—
StatusUnknown
How this service works
Resolve an ENS name to an address, or reverse-resolve an address to its primary ENS name
Output
A JSON object containing the resolved ENS name and its corresponding EVM address. For a forward resolution (name → address), returns the wallet address. For a reverse resolution (address → name), returns the primary ENS name. Example: {"name": "vitalik.eth", "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"}.
Example use cases
Resolve ENS to wallet address
“Can you look up the Ethereum wallet address for nick.eth?”
Reverse-resolve wallet to ENS name
“What's the primary ENS name registered for the address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045?”
Verify ENS identity before sending funds
“Before I send crypto to this person, can you confirm that coinbase.eth actually resolves to the address they gave me: 0x123abc...?”
Technical details
Endpoint
GEThttps://x402tap.com/api/ens-resolve?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need fast, cheap ENS resolution for either forward (name→address) or reverse (address→name) lookups in a Web3 or Ethereum context. At $0.002 per call, it is well-suited for per-request resolution in agentic workflows without requiring your own Ethereum node or ENS library integration.
Side effects
- ENS name does not exist or has no address record set — may return null address or error
- Address has no primary ENS name set — reverse resolution returns empty or null name
- Malformed ENS name or invalid EVM address format in query — returns 400 or error response
- ENS resolver or upstream Ethereum node temporarily unavailable — 5xx error
- Name recently updated; cached resolution may be stale
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"name": "vitalik.eth",
"address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
}
}Tags
x402
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