# Aether Base Basename Lookup

> Aether Base Basename Lookup is a paid API for AI agents from aether-x402.vercel.app, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-11).

Resolves a Base Name Service (Basename) handle to its associated wallet address and ENS records on the Base blockchain.

## Facts

- Endpoint: POST https://aether-x402.vercel.app/v1/base/basename?utm_source=zero.xyz
- Price: $0.003/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/aether-base-basename-lookup-2c952f98
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ZjqWTQN5niZSS4vzsynrN

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 aether-base-basename-lookup-2c952f98 -d '<json body>'
```

Example prompt: Can you look up the wallet address and any profile records for the basename jesse.base.eth on Base?

## When to prefer this

Use this endpoint when you need to resolve a human-readable Base Name (e.g. jesse.base.eth) to a wallet address or fetch its associated ENS records on the Base network. Prefer this over generic ENS resolvers if you specifically need Base Name Service data and want pay-per-call micropayment access via x402 without API keys.

## Known failure modes

- Name not registered — returns null or empty address if the basename does not exist
- Invalid format — names shorter than 3 characters or malformed strings may be rejected
- Network unavailability — Base RPC or name service downtime causes lookup failure
- Payment failure — x402 USDC payment not processed, request blocked before execution

## How this service works

Pay-per-call Base onchain data, token risk verdicts and x402 payability audits over x402 (USDC on Base).

## Output

Returns the resolved wallet address (0x...) and associated ENS records (such as URL, avatar, or other metadata) linked to the provided basename on Base.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "name": {
   "type": "string",
   "maxLength": 100,
   "minLength": 3
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "name": "jesse.base.eth",
  "address": "0x...",
  "records": {
   "url": "https://..."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/aether-base-basename-lookup-2c952f98/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from aether-x402.vercel.app](https://www.zero.xyz/host/aether-x402.vercel.app/llms.txt)