---
title: "Updates the game thumbnail alt text."
method: POST
path: "/v1/game-thumbnails/games/{gameId}/language-codes/{languageCode}/alt-text"
tags: ["Localization", "Thumbnails", "Universes"]
---

# Updates the game thumbnail alt text.

`POST /v1/game-thumbnails/games/{gameId}/language-codes/{languageCode}/alt-text`

## Path parameters

- `gameId` integer, required
- `languageCode` string, required

## Request body

- RobloxGameInternationalizationApiUpdateThumbnailAltTextRequest
  - `thumbnailId` integer
  - `altText` string

## Response `200`

OK

- string

## Other responses

- `400` — 14: Invalid game id 19: New name is null or whitespaces or new name/description is too long 20: New name or description is moderated 22: Invalid language code 26: You can't update translations for source language 45: File uploaded does not match known image format 53: Language is not supported for the game.
- `401` — 0: Authorization has been denied for this request.
- `403` — 0: Token Validation Failed 18: You do not have permission to manage this game
- `429` — 24: Too many attempts.Please try again later.
- `500` — 0: An unknown error occurred. 88: Failed to filter text
- `503` — 17: Feature is disabled

---

[API](https://skmtc.net/roblox/apis/roblox-api.md) · [All operations](https://skmtc.net/roblox/apis/roblox-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/roblox/roblox-api/versions/756260310407/schema)