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.
About the 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 |
|---|---|
| Status | Live |
| Endpoints | 1 |
| Category | Dev Tools |
| Source | ip2whois.com |
| Base URL | https://zieapi.vercel.app/v1/dev-tools:ip2whois/{endpoint} |
| For AI tools | OpenAPI spec · Markdown (what is this?) |
IP2WHOIS Domain Lookup API 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