# Platform status and supported formats

> What is live on fourechelon.com today: hosted CAD conversion, cad_scene Rowe inference, live Stripe billing, and the public Responses API. SolidWorks native files are intentionally rejected until a supported export path is used.

Source: https://fourechelon.com/docs/platform-status · Machine-readable: https://fourechelon.com/openapi.json · Index: https://fourechelon.com/llms.txt

## Capabilities

| Capability | Status | Detail |
| --- | --- | --- |
| STEP / STP | Live | Preferred 3D CAD input via /api/v1/cad/extract or Four Cad. |
| IGES / IGS | Live | 3D solids and surfaces through the hosted converter. |
| DXF / PDF / SVG | Live | 2D drawings with entities, dimensions, and annotations. |
| draw.io (.drawio / .xml) | Live | Diagram nodes, containers, directed connectors, and spatial relations as diagram2d. |
| SolidWorks (.sldprt/.sldasm) | Not supported | Export as STEP and upload the .step file (HTTP 415 otherwise). |
| cad_scene tasks | Live | understand, compare, optimize, and related Rowe tasks on structured CAD. |
| point_cloud_scene | Live | Legacy and sampled-geometry workflows. |
| Live billing | Live | Base monthly API access plus metered input/output spatial tokens. See /pricing for current rates. |
| Partner feature trees | Partner API | POST /api/v1/cad/import-feature-tree for Adam/Onshape-style payloads. |