API-first, because configuration belongs wherever your customers are.

Validate and price in one call.

# cURL
curl https://api.cadxor.com/api/v1/configurations/evaluate \
  -H "Authorization: Bearer $CADXOR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"family_id":"fam_…","customer_id":"cus_…",
       "values":{"components":{"left":"cmp_…","center":"cmp_…","right":"cmp_…"},
                 "length":40,"length_units":"in","material":"304SS",
                 "finish":"mill","quantity":4}}'

# Python (standard library)
import json, os, urllib.request
req = urllib.request.Request(
    "https://api.cadxor.com/api/v1/configurations",
    data=json.dumps(payload).encode(), method="POST",
    headers={"Authorization": f"Bearer {os.environ['CADXOR_API_KEY']}",
             "Content-Type": "application/json"})
cfg = json.load(urllib.request.urlopen(req))

// JavaScript
const r = await fetch(`${base}/api/v1/configurations/${id}/submit`, {
  method: "POST", headers: { Authorization: `Bearer ${key}` } });
const cfg = await r.json(); // cfg.status → "approval_pending" | "generation_running"