---
title: "Changes to Uploads one or more images to create homepage thumbnails for a universe."
method: POST
path: "/thumbnail-personalization-api/v1/universes/{universeId}/thumbnails/uploads"
---

# Changes to Uploads one or more images to create homepage thumbnails for a universe.

`POST /thumbnail-personalization-api/v1/universes/{universeId}/thumbnails/uploads`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 23 revisions.

- **2026-09-03** `d9b4ae8b3380` — 6 breaking

## Changes

- **2026-09-03** `d9b4ae8b3380` — 6 breaking
  - request body became required
  - the request property `files` became required
  - the response's body type changed from `object` to `string` for status `400`
  - the response's body type changed from `object` to `string` for status `401`
  - the response's body type changed from `object` to `string` for status `403`
  - removed the media type `application/json` for the response with the status `500`

---

[Operation](https://skmtc.dev/roblox/apis/roblox-api/docs/thumbnail-personalization-api/v1/universes/:universeId/thumbnails/uploads/post.md) · [API](https://skmtc.dev/roblox/apis/roblox-api.md) · [Page](https://skmtc.dev/roblox/apis/roblox-api/changes/thumbnail-personalization-api/v1/universes/:universeId/thumbnails/uploads/post)