# PUT /1/boards/{}/myPrefs/showListGuide stops working

Calls to PUT /1/boards/{}/myPrefs/showListGuide on Trello API stopped working on July 27, 2025.

- API: Trello API (api.trello.com)
- Kind: Endpoint removal
- Announced: June 26, 2025
- Takes effect: July 27, 2025
- Calls after that day: fail
- Calls it hits: `PUT /1/boards/{}/myPrefs/showListGuide`
- Source: [Announcement](https://developer.atlassian.com/cloud/trello/changelog/)
- Page: https://www.okapi.bot/providers/trello/breaking-changes/put-1-boards-myprefs-showlistguide-stops-working/

## What to use instead

Drop the call: the showListGuide board preference is no longer used.

## Trello API's words

> This endpoint is no longer referenced in our API documents or guides and the showListGuide board preference is no longer used throughout the application. We will begin to remove this route after Jul 26, 2025 .