# WHOIS Lookup API

> WHOIS Lookup API on Apizie: 1 endpoint (Lookup) returned as clean JSON through one API key. 1 endpoint is live now. Call it over REST at https://zieapi.vercel.app/v1/dev-tools:whois-lookup/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

- Project key: `dev-tools:whois-lookup`
- Category: Dev Tools
- Status: live
- Source: https://icann.org
- Page: https://zieapi.vercel.app/api/dev-tools/whois-lookup
- OpenAPI: https://zieapi.vercel.app/api/dev-tools/whois-lookup/openapi.json

Registration data (registrar, dates, status, nameservers) for a domain via RDAP, the modern WHOIS replacement.

## Endpoints

### Lookup
`GET https://zieapi.vercel.app/v1/dev-tools:whois-lookup/lookup`

| Parameter | Type | Required | Description |
|---|---|---|---|
| domain | string | yes |  |

## Example
```
curl "https://zieapi.vercel.app/v1/dev-tools:whois-lookup/lookup" \
  -H "x-api-key: $APIZIE_KEY"
```

## FAQ

### How do I call the WHOIS Lookup API?
Create a free Apizie key, then send GET https://zieapi.vercel.app/v1/dev-tools:whois-lookup/lookup with the header x-api-key. Every endpoint returns { project, data, timestamp }.

### Is the WHOIS Lookup API free on Apizie?
Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card.

### Can AI agents use the WHOIS Lookup API?
Yes. Add the Apizie MCP server (https://zieapi.vercel.app/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key dev-tools:whois-lookup.

### What is the status of the WHOIS Lookup API?
Live: works with just an Apizie key