---
title: "Upload File"
method: PUT
path: "/v1/design-uploads/{upload_id}"
tags: ["Design uploads"]
---

# Upload File

`PUT /v1/design-uploads/{upload_id}`

Upload raw STEP bytes with X-RMFG-Upload-Token; no OAuth token is needed.

## Path parameters

- `upload_id` string, required

## Headers

- `X-RMFG-Upload-Token` string, nullable

## Response `202`

Successful Response

- unknown

## Other responses

- `400` — Malformed request.
- `401` — Missing or invalid credentials.
- `403` — The credentials do not permit this operation.
- `404` — The resource does not exist or is not visible to the caller.
- `409` — The resource is not ready, or Idempotency-Key was reused with a different request.
- `413` — The uploaded file exceeds the size limit.
- `415` — Unsupported Content-Type.
- `422` — Validation failed; see `error.param` and `error.details`.
- `429` — Rate limit exceeded; retry after the `Retry-After` header.
- `500` — Unexpected failure; safe to retry with the same Idempotency-Key.
- `503` — A dependency is temporarily unavailable; retry later.

## Changes

- **2026-09-07** `35a1cd3bea64` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/rmfg/apis/fastapi/changes/v1/design-uploads/:upload_id/put.md)

---

[API](https://skmtc.dev/rmfg/apis/fastapi.md) · [All operations](https://skmtc.dev/rmfg/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc.dev/rmfg/apis/fastapi/revisions/737527fc081e?raw)