# Partner CAD import

> Partner integrations such as Adam or Onshape can POST feature-tree payloads to import structured CAD context into Rowe without re-uploading geometry. Use a paid API key for /api/v1/cad/import-feature-tree, or a signed webhook for /api/v1/cad/partner-webhook.

Source: https://fourechelon.com/docs/partner-cad-import · Machine-readable: https://fourechelon.com/openapi.json · Index: https://fourechelon.com/llms.txt

## Import

```bash
curl https://fourechelon.com/api/v1/cad/import-feature-tree \
  -H "Authorization: Bearer $FOUR_ECHELON_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "partner": "adam",
    "document_id": "doc_123",
    "feature_tree": []
  }'
```