# Free Asset Radar x402 ENS Resolve API

> Free Asset Radar x402 ENS Resolve API is a paid API for AI agents from free-asset-radar-x402.besenok2018.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-01).

Resolves an ENS (Ethereum Name Service) domain name to its corresponding Ethereum address, or performs reverse lookup, via a pay-per-call x402 edge endpoint.

## Facts

- Endpoint: GET https://free-asset-radar-x402.besenok2018.workers.dev/api/x402/ens-resolve?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-01
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/free-asset-radar-x402-ens-resolve-api-a35e2aeb
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_DqN8Zxo_tDOfvf7b2kWwZ

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability free-asset-radar-x402-ens-resolve-api-a35e2aeb
```

Example prompt: What Ethereum wallet address does vitalik.eth resolve to? Do a forward ENS lookup for me.

## When to prefer this

Use this endpoint when your agent needs to programmatically resolve ENS names to Ethereum addresses (or vice versa) as a lightweight, pay-per-call utility without setting up your own Ethereum node or ENS SDK. Ideal for autonomous agents that encounter ENS names in user input and need real-time resolution at low cost ($0.002 USDC per call) via the x402 payment protocol.

## Known failure modes

- ENS name not registered — returns null or empty address
- Malformed ENS name input — validation error
- ENS name exists but has no resolver set — incomplete response
- Network or edge worker timeout — 5xx error
- Payment not processed — 402 response if x402 payment header missing or insufficient

## How this service works

Stable edge-hosted x402 utilities for autonomous agents.

## Output

Returns a JSON object containing the ENS name, the resolved Ethereum address (0x hex format), and the direction of resolution (forward for name-to-address, reverse for address-to-name).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "name": "vitalik.eth",
  "address": "0x...",
  "direction": "forward"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/free-asset-radar-x402-ens-resolve-api-a35e2aeb/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from free-asset-radar-x402.besenok2018.workers.dev](https://www.zero.xyz/host/free-asset-radar-x402.besenok2018.workers.dev/llms.txt)