---
title: "Changes to Batch : start sessions"
method: POST
path: "/3/drive/{drive_id}/upload/session/batch/start"
---

# Changes to Batch : start sessions

`POST /3/drive/{drive_id}/upload/session/batch/start`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 40 revisions.

- **2026-10-21** `b1866ef5aa8d`: 2 warning
- **2026-09-30** `78c48609ff48`: 1 warning

## Changes

- **2026-10-21** `b1866ef5aa8d`: 2 warning
  - the `*/created_at` request property's min was set to `-62135596800.00`
  - the `*/last_modified_at` request property's min was set to `-62135596800.00`
- **2026-09-30** `78c48609ff48`: 1 warning
  - added the new `ebook` enum value to the `allOf[subschema #2]/data/items/file/extension_type` response property for the response status `200`

---

[Operation](https://skmtc.dev/infomaniak/apis/api-reference-developer-tools/docs/3/drive/:drive_id/upload/session/batch/start/post.md) - [API](https://skmtc.dev/infomaniak/apis/api-reference-developer-tools.md) - [Page](https://skmtc.dev/infomaniak/apis/api-reference-developer-tools/changes/3/drive/:drive_id/upload/session/batch/start/post)