---
title: "Changes to Upload part of file"
method: PUT
path: "/files/upload_sessions/{upload_session_id}"
---

# Changes to Upload part of file

`PUT /files/upload_sessions/{upload_session_id}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `c4d5303fa5c3`: 4 warning, 1 info

## Changes

- **2026-11-03** `c4d5303fa5c3`: 4 warning, 1 info
  - added the new `unprocessable_entity` enum value to the `code` response property for the response status `409`
  - added the new `unprocessable_entity` enum value to the `code` response property for the response status `412`
  - added the new `unprocessable_entity` enum value to the `code` response property for the response status `416`
  - added the new `unprocessable_entity` enum value to the `code` response property for the response status `default`
  - added the optional property `part/allOf[subschema #2]/sha512` to the response with the `200` status

---

[Operation](https://skmtc.dev/box/apis/platform-api/docs/files/upload_sessions/:upload_session_id/put.md) - [API](https://skmtc.dev/box/apis/platform-api.md) - [Page](https://skmtc.dev/box/apis/platform-api/changes/files/upload_sessions/:upload_session_id/put)