ENS Name Resolution & Reverse Lookup

x402

ENS Name Resolution & Reverse Lookup is a paid API for AI agents from x402-agent-store.rileycraig14.workers.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-12).

Resolves an ENS name to its Ethereum address, or reverse-resolves an 0x address to its primary ENS name

Price / call$0.005

Seller volume →—

Success—

StatusUnknown

How this service works

Machine-payable data APIs for AI agents — 35 endpoints across web search, on-chain reads, trading data, and AI-visibility. Pay per call in USDC via x402 on Base. No API keys, no signup.

Output

A JSON object containing the ENS name, the resolved 0x Ethereum address, the query string, the chain (ethereum), the resolution direction (name->address or address->name), a resolved boolean indicating success, and an avatar URL if set.

Example use cases

Example prompt

“What Ethereum address does vitalik.eth resolve to? And while you're at it, can you also reverse-lookup 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 to find its primary ENS name?”

Technical details

Endpoint

GEThttps://x402-agent-store.rileycraig14.workers.dev/chain/ens?utm_source=zero.xyz

When to prefer

Use this endpoint when you need to resolve ENS names to Ethereum addresses or reverse-resolve wallet addresses to human-readable ENS names, without needing an API key or signup. Ideal for AI agents that need to enrich on-chain identity data on the fly and can pay $0.001 USDC per call via the x402 protocol on Base.

Side effects

ENS name does not exist or has no resolver — resolved: false returned
0x address has no primary ENS name set — resolved: false returned
Malformed ENS name or invalid 0x address input — may return error or unresolved result
Neither 'name' nor 'address' query param provided — ambiguous request
Network or RPC timeout reading from Ethereum mainnet

Input

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "name": "vitalik.eth",
    "chain": "ethereum",
    "query": "vitalik.eth",
    "avatar": null,
    "address": "0xd8da6bf26964af9d7eed9e03e53415d37aa96045",
    "resolved": true,
    "direction": "name->address"
  }
}

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