DomScan - Domain Availability API

What is DomScan?

DomScan is a modern domain availability checking API built on the RDAP protocol. Unlike legacy WHOIS, RDAP provides structured, reliable data directly from domain registries.

⚡

Lightning Fast

Intelligent caching

🌐

1000+ TLDs

Extensive coverage

🔒

Reliable Data

Authoritative sources

🤖

AI-Ready

MCP integration

Free During Beta

DomScan is completely free during our open beta period. No API key required, no credit card needed. Built for domainers and developers who need reliable domain data at scale. The beta has no set end date - we'll give plenty of notice before any changes.

Built for Scale

Whether you're a domainer searching for the perfect name, a registrar building search tools, or a developer scraping domain data at scale - DomScan handles it all.

📈

High Volume

Handle thousands of lookups with bulk endpoints

🚀

No Rate Walls

Generous limits designed for real workflows

🛠

Automation Ready

Perfect for scripts, bots, and automated pipelines

💰

Zero Cost

Completely free during beta - no hidden limits

Use Cases

🔍

Domain Search Tools

Power instant availability search across TLDs

🛡

Brand Protection

Monitor your brand across hundreds of extensions

🧰

Portfolio Management

Track expiration dates and domain status

🤖

AI Assistants

Claude, ChatGPT, Cursor via MCP

Quick Start

Check domain availability with a simple GET request:

Try it now:

curl "https://domscan.net/v1/status?name=mycompany&tlds=com,net,org"

{
  "name": "mycompany",
  "results": [
    { "domain": "mycompany.com", "available": false, "source": "rdap" },
    { "domain": "mycompany.net", "available": true, "source": "rdap" },
    { "domain": "mycompany.org", "available": false, "source": "rdap" }
  ]
}

API Endpoints

GET /v1/status

Check availability for a domain name across multiple TLDs

POST /v1/status/bulk

Check multiple complete domain names in one request

GET /v1/coverage

Get list of supported TLDs and RDAP endpoint health

View Full API Documentation →

MCP Integration

Use DomScan with Claude, ChatGPT, Cursor, and other AI assistants via the Model Context Protocol.

Claude Desktop

{
  "mcpServers": {
    "domscan": {
      "command": "npx",
      "args": ["mcp-remote", "https://domscan.net/mcp"]
    }
  }
}

ChatGPT, Cursor & Other MCP Clients

Connect directly to: https://domscan.net/mcp

Learn more about MCP setup →