---
title: "Changes to Create new S3 storage"
method: POST
path: "/api/storages/s3/"
---

# Changes to Create new S3 storage

`POST /api/storages/s3/`

> Every recorded change to this endpoint, newest first.
> 97 revisions in range; 1 not diffed.

## Timeline

Changed in 1 of 97 revisions.

- **2026-08-07** `e1ba2ecdbabb` — 3 breaking, 2 warning, 16 info

## Changes

- **2026-08-07** `e1ba2ecdbabb` — 3 breaking, 2 warning, 16 info
  - request body became required
  - the request property `project` became required
  - the `title` request property's maxLength was decreased to `256`
  - the `presign_ttl` request property's max was set to `32767.00`
  - the `presign_ttl` request property's min was set to `0.00`
  - added the new optional request property `synchronizable`
  - added the media type `application/x-www-form-urlencoded` to the request body
  - added the media type `multipart/form-data` to the request body
  - the request property `aws_access_key_id` became nullable
  - the request property `aws_secret_access_key` became nullable
  - the request property `aws_session_token` became nullable
  - the request property `aws_sse_kms_key_id` became nullable
  - the request property `bucket` became nullable
  - the request property `description` became nullable
  - the request property `prefix` became nullable
  - the request property `regex_filter` became nullable
  - the request property `region_name` became nullable
  - the request property `s3_endpoint` became nullable
  - the request property `title` became nullable
  - the `presign_ttl` request property default value `1` was removed
  - the `use_blob_urls` request property default value `false` was removed

---

[Operation](https://skmtc.dev/humansignal/apis/label-studio-api/docs/api/storages/s3/post.md) · [API](https://skmtc.dev/humansignal/apis/label-studio-api.md) · [Page](https://skmtc.dev/humansignal/apis/label-studio-api/changes/api/storages/s3/post)