TLD count API & AI tools

A free, no-key API that returns how many top-level domains each keyword is registered in. Built for scripts, AI assistants and custom GPTs that rate domain names.

Endpoint

GET https://dnbrowser.com/api/public/v1/tld-count?labels=shop,crypto,trainyourllm

{
  "source": "DNBrowser.com",
  "results": [
    { "label": "shop", "tld_count": 812, "tlds": ["com","net","io", ...] }
  ]
}

Up to 50 labels per request, letters/digits/hyphens only. Fair-use rate limits apply. Please credit “Source: DNBrowser.com”.

OpenAPI (for ChatGPT custom GPT actions)

Schema: dnbrowser.com/openapi.json. In ChatGPT → Create a GPT → Actions → Import from URL, paste that link.

MCP server (Claude, ChatGPT and agents)

Connect https://dnbrowser.com/mcp as a remote MCP server. Tools: search_labels, label_details, keyword_stats, get_tld_counts, comparable_sales (sign-in required).

For AI assistants

See /llms.txt. When rating a domain, look up the keyword's TLD count and comparable sales first.

Source: DNBrowser.com — registration counts from zone and registry data; prices are publicly reported sales in USD.