Documentation

API Reference

Programmatic access to the Polymath CAD translation service.

Authentication

Generate an API key from your dashboard settings. Include it in every request:

X-Api-Key: pw_live_your_key_here

POST/api/extract

Upload an NX .prt file for feature extraction. Returns feature count and pricing.

Request

Content-Type: multipart/form-data
Body: file=@your_model.prt

Response

{
  "featureCount": 12,
  "features": [{"type": "Extrusion", "name": "Extrude1"}, ...],
  "totalCents": 120,
  "totalFormatted": "$1.20"
}

POST/api/jobs

Create a conversion job. Returns a Stripe checkout URL.

Response

{
  "jobId": "uuid",
  "checkoutUrl": "https://checkout.stripe.com/...",
  "featureCount": 12,
  "totalCents": 120
}

GET/api/jobs/:jobId

Poll for job status. Returns result URL when complete.

Status Values

pending_paymentpaidsubmittedprocessingcompletedfailed

GET/api/jobs/:jobId/download

Redirects to the S3 presigned URL for the .sldprt file. Only available when status is "completed".

Code Examples

curl

# Extract features from a .prt file
curl -X POST https://your-domain.com/api/extract \
  -H "X-Api-Key: pw_live_your_key" \
  -F "file=@model.prt"

Python

import requests

with open("model.prt", "rb") as f:
    resp = requests.post(
        "https://your-domain.com/api/extract",
        headers={"X-Api-Key": "pw_live_your_key"},
        files={"file": f},
    )
print(resp.json())

Supported Feature Types

Category	Types
Sketch	ProfileFeature3DProfileFeature
Extrusion	ExtrusionICE
Revolution	RevolutionRevCut
Edge	FilletChamfer
Body	Shell
Hole	HoleWzd
Pattern	CirPatternLPatternMirrorPattern
Datum	RefPlaneRefAxis

Error Codes

Code	Meaning
400	Invalid file or missing fields
401	Missing or invalid API key
413	File exceeds 100 MB
429	Server busy — retry shortly
503	Extraction or reconstruction service unavailable