---
title: "Changes to Create presigned URL for request file upload to S3"
method: POST
path: "/api/v3/files/upload/request"
---

# Changes to Create presigned URL for request file upload to S3

`POST /api/v3/files/upload/request`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 52 revisions.

- **2026-07-12** `73b05c1e5119`: 2 info
- **2026-03-20** `1a01eea79bb9`: 1 info
- **2026-02-12** `881fa7b9eb11`: 1 breaking, 15 info

## Changes

- **2026-07-12** `73b05c1e5119`: 2 info
  - the endpoint scheme security `CookieAuth` was removed from the API
  - the endpoint scheme security `UserApiKeyAuth` was removed from the API
- **2026-03-20** `1a01eea79bb9`: 1 info
  - the endpoint scheme security `UserApiKeyAuth` was added to the API
- **2026-02-12** `881fa7b9eb11`: 1 breaking, 15 info
  - the response's body type changed from no type to `object` for status `200`
  - removed `subschema #1, subschema #2, subschema #3` from the response body `oneOf` list for the response status `200`
  - added the required property `error/slug` to the response with the `400` status
  - added the required property `error/slug` to the response with the `401` status
  - added the required property `error/slug` to the response with the `403` status
  - added the required property `error/slug` to the response with the `404` status
  - added the required property `error/slug` to the response with the `410` status
  - added the required property `error/slug` to the response with the `429` status
  - added the required property `error/slug` to the response with the `500` status
  - added the required property `error/slug` to the response with the `501` status
  - added the required property `id` to the response with the `200` status
  - added the required property `key` to the response with the `200` status
  - added the required property `metadata` to the response with the `200` status
  - added the required property `newPresignedUrl` to the response with the `200` status
  - added the required property `new_presigned_url` to the response with the `200` status
  - added the required property `type` to the response with the `200` status

---

[Operation](https://skmtc.dev/composiohq/apis/composio-platform-api/docs/api/v3/files/upload/request/post.md) - [API](https://skmtc.dev/composiohq/apis/composio-platform-api.md) - [Page](https://skmtc.dev/composiohq/apis/composio-platform-api/changes/api/v3/files/upload/request/post)