API and MCP server

Free access to the same data as the website. Without a key the limit is 60 requests per minute per IP address. A free key raises it to 300 per minute.

Get a free API key

MCP server

Streamable HTTP at https://getzeroslide.com/mcp. Tools: lookup_uen, search_companies, new_companies.

{
  "mcpServers": {
    "getzeroslide": {
      "type": "http",
      "url": "https://getzeroslide.com/mcp"
    }
  }
}

Claude Code: claude mcp add --transport http getzeroslide https://getzeroslide.com/mcp

JSON API

GET https://getzeroslide.com/v1/companies/{uen}
GET https://getzeroslide.com/v1/search?q=acme&ssic=62011&postal=048616&live_only=true&limit=20
GET https://getzeroslide.com/v1/new?days=30&ssic=62011

Markdown

Every page has a Markdown twin. Add .md to the URL, or send Accept: text/markdown. See also llms.txt.

Bulk data and higher limits

Need daily new-company feeds, webhooks or higher limits? Tell us what you need.