# IP2WHOIS Domain Lookup API

> IP2WHOIS Domain Lookup API on Apizie: 1 endpoint (Lookup WHOIS information) 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:ip2whois/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

- Project key: `dev-tools:ip2whois`
- Category: Dev Tools
- Status: live
- Source: https://ip2whois.com
- Page: https://zieapi.vercel.app/api/dev-tools/ip2whois
- OpenAPI: https://zieapi.vercel.app/api/dev-tools/ip2whois/openapi.json

IP2WHOIS is a free tool to allow you to check WHOIS information for a particular domain, such as domain assigned owner contact information, registrar information, registrant information, location and much more.

## Endpoints

### Lookup WHOIS information
`GET https://zieapi.vercel.app/v1/dev-tools:ip2whois/get`

| Parameter | Type | Required | Description |
|---|---|---|---|
| domain | string | yes | Domain name for lookup purpose. |
| key | string | yes | API key. |
| format | string | no | Returns the API response in json (default) or xml format. |

## Example
```
curl "https://zieapi.vercel.app/v1/dev-tools:ip2whois/get" \
  -H "x-api-key: $APIZIE_KEY"
```

## FAQ

### How do I call the IP2WHOIS Domain Lookup API?
Create a free Apizie key, then send GET https://zieapi.vercel.app/v1/dev-tools:ip2whois/get with the header x-api-key. Every endpoint returns { project, data, timestamp }.

### Is the IP2WHOIS Domain 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 IP2WHOIS Domain 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:ip2whois.

### What is the status of the IP2WHOIS Domain Lookup API?
Live: works with just an Apizie key