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ENS Resolver — Forward & Reverse Ethereum Name Service Lookup
x402
ENS Resolver — Forward & Reverse Ethereum Name Service Lookup is a paid API for AI agents from x402-deployer.x402-deployer.workers.dev, paid per call via x402, $0.03/call, status unknown (last checked 2026-09-13).
Resolves ENS names to Ethereum addresses (forward) and addresses to primary ENS names (reverse), including text records like avatar, Twitter, and GitHub.
Price / call$0.03
Success—
StatusUnknown
How this service works
ENS resolver / Ethereum Name Service lookup. Forward (vitalik.eth to address) and reverse (address to primary ENS) with text records (avatar, twitter, github, etc).
Output
Returns the resolved Ethereum address for a forward lookup, or the primary ENS name for a reverse lookup, plus any requested text records such as avatar URL, Twitter handle, GitHub username, and other profile metadata stored on ENS.
Example use cases
Example prompt
“What Ethereum address does vitalik.eth resolve to, and can you also pull any linked avatar and Twitter text records from ENS?”
Technical details
Endpoint
POSThttps://x402-deployer.x402-deployer.workers.dev/ens-resolveWhen to prefer
Use this endpoint when you need to resolve .eth names to Ethereum addresses or reverse-resolve addresses to human-readable ENS names, especially when you also need ENS text record metadata (avatar, social handles). Prefer this over manual on-chain calls when you want a simple HTTP API without managing Ethereum RPC connections yourself.
Side effects
- ENS name not registered or expired — returns null or not-found response
- Address has no primary ENS reverse record set — returns empty or null name
- Text record key not set on the ENS name — returns null for that field
- Invalid Ethereum address format — returns validation error
- Network/RPC timeout reaching Ethereum nodes — returns 503 or timeout error
- Payment failure (x402 USDC) — returns 402 Payment Required
Input
{
"input": {
"body": {
"query": "vitalik.eth",
"text_records": [
"avatar",
"com.twitter",
"com.github"
]
},
"type": "http",
"method": "POST",
"bodyType": "json"
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
{
"mode": "forward",
"source": "Ethereum mainnet (eth.llamarpc.com)",
"address": "0xd8da6bf26964af9d7eed9e03e53415d37aa96045",
"ens_name": "vitalik.eth",
"text_records": {
"avatar": "https://euc.li/vitalik.eth",
"com.github": "vbuterin",
"com.twitter": "VitalikButerin"
}
}Tags
x402
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