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IEC 62443 API

How do I query IEC 62443 data over an API?

Point a GET request at api.theartofservice.com/api/agent/frameworks/IEC 62443, or add the MCP server to Claude Desktop or Cursor with the config below. You get 81 controls, 11 domains and every cross-framework mapping this standard carries. The free tier is 10 calls a day and needs no signup or API key.

81
Controls
11
Domains
240+
Mappings
Free
API Price

Add IEC 62443 to Claude Desktop or Cursor in one config block

Copy this config into your MCP client to start querying IEC 62443 data with AI:

{
  "mcpServers": {
    "compliance": {
      "url": "https://api.theartofservice.com/mcp"
    }
  }
}

No API key required for up to 10 calls/day. Works with Claude Desktop, Cursor, Windsurf, and any MCP-compatible client.

Three curl calls that return IEC 62443 data

Get IEC 62443 details

curl https://api.theartofservice.com/api/agent/frameworks/IEC%2062443

List all IEC 62443 controls

curl https://api.theartofservice.com/api/agent/frameworks/IEC%2062443/controls

Map IEC 62443 to another framework

curl "https://api.theartofservice.com/api/agent/cross-map?source=IEC%2062443&target=SOC%202"

Install the Python or npm client

Python (Langchain)

pip install theartofservice-compliance

npm (MCP Server)

npx @theartofservice/compliance-mcp

Questions developers ask about the IEC 62443 API

Is there an API for IEC 62443?▾
Yes. The Art of Service provides a REST API and MCP server with full IEC 62443 data: 81 controls across 11 domains, plus cross-framework mappings to 686 other compliance frameworks. Free tier includes 10 calls/day with no signup.
How do I access IEC 62443 controls programmatically?▾
Use the Compliance Intelligence API at api.theartofservice.com. Call GET /api/agent/frameworks/IEC%2062443/controls to retrieve all 81 controls with codes, titles, and descriptions. Supports filtering by domain.
Can I map IEC 62443 controls to other frameworks?▾
Yes. The API provides cross-framework mapping with 311K+ verified control-to-control mappings. Call GET /api/agent/cross-map?source=IEC%2062443&target=TARGET to map IEC 62443 controls to any of 686 frameworks.
Does the IEC 62443 API work with Claude, ChatGPT, or Cursor?▾
Yes. The API is available as an MCP (Model Context Protocol) server. Add it to Claude Desktop, Cursor, or any MCP-compatible client with a single JSON config snippet. AI agents can then query IEC 62443 data directly.
How much does the IEC 62443 API cost?▾
Anonymous access is free (10 calls/day). Free accounts get 100 calls/month. Professional plans start at $149/month with 10,000 calls included. No credit card required for free tier.

What IEC 62443 actually requires

The API returns the data. If you want the standard explained first, with its controls, domains and the frameworks it overlaps with, that is on the IEC 62443 framework page.

IEC 62443 controls, domains and mappings →
Written and maintained by Gerard Blokdyk, The Art of Service.Last updated .

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