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ENS Address Resolver (skills.onesource.io)
x402
ENS Address Resolver (skills.onesource.io) is a paid API for AI agents from skills.onesource.io, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-13).
Resolves an Ethereum address to its ENS primary name, or an ENS name to its address, along with chain-related metadata.
Price / call$0.005
Success—
StatusUnknown
How this service works
Resolves an Ethereum address to its ENS name and chain-related info.
Output
Returns the ENS primary name associated with the given Ethereum address (or the resolved address for a given .eth name), along with chain-related metadata such as network and resolution details.
Example use cases
Verify wallet identity in transactions
“Can you look up the ENS name for this wallet address 0x1234567890abcdef1234567890abcdef12345678? I want to make sure I'm sending funds to the right person.”
Display human-readable names in dashboards
“Resolve these Ethereum addresses to their ENS names so we can show them nicely in our portfolio dashboard instead of long hex strings.”
Cross-chain wallet resolution on Base
“What's the ENS primary name for address 0xabcdefabcdefabcdefabcdefabcdefabcdefabcd on the Base network?”
Technical details
Endpoint
GEThttps://skills.onesource.io/api/chain/ens/0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045When to prefer
Use this endpoint when you need to resolve an Ethereum address to a human-readable ENS name (or vice versa) on mainnet or supported testnets/L2s including Base, Avalanche, and MegaETH. Prefer this over generic ENS libraries when you need a paid, hosted, always-on resolution service with multi-network support accessible via HTTP without running your own node.
Side effects
- Address has no registered ENS primary name — returns null or empty name field
- Invalid Ethereum address format — 400 error due to schema mismatch
- ENS name not found or unregistered — empty or null address in response
- Unsupported network specified — error if network not in enum
- RPC or on-chain lookup timeout — 500 or gateway error
- Payment failure (x402) — 402 response if USDC not provided
Input
{
"network": "ethereum"
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | — | |
| network | string |
Output
{
"data": {
"name": "vitalik.eth",
"address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"resolver": "0x5fbb459c49bb06083c33109fa4f14810ec2cf358",
"is_forward": false,
"is_reverse": true
},
"meta": {
"endpoint": "/api/chain/ens/0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"request_id": "303e97d27524ac8d"
}
}Tags
x402
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