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REST API v1OpenCASCADE CAD EngineOpenAPI 3.1

Agentic CAD & Mechanical Physics API

Programmatic endpoint suite for AI agents, CAD copilot add-ins, and hardware automation pipelines to configure, simulate, quote, and generate manufacturing-grade STEP models.

openapi.jsonllms.txt
API Endpoints
AI Auto-Discovery

Feed this OpenAPI spec URL to your agent or Custom GPT to enable zero-prompt CAD tools:

https://www.standardmachinist.com/api/v1/openapi.json
POST/api/v1/calculate
curl -X POST https://standardmachinist.com/api/v1/calculate \
  -H "Content-Type: application/json" \
  -d '{
    "category": "springs",
    "specs": {
      "springType": "Compression",
      "wireDiameter": 2,
      "outerDiameter": 20,
      "freeLength": 50,
      "turns": 10,
      "material": "Steel"
    },
    "testMode": {
      "inputMode": "load",
      "operatingLoad": 50
    }
  }'
Live Request ExplorerExecutes live against serverless OpenCASCADE kernel