# PUT /1/boards/{}/labelNames is deprecated

Trello API deprecated PUT /1/boards/{}/labelNames* without giving a shutdown date yet.

- API: Trello API (api.trello.com)
- Kind: Endpoint removal
- Announced: February 17, 2025
- Takes effect: no date given yet
- Calls after that day: fail
- Calls it hits: `PUT /1/boards/{}/labelNames*`
- Source: [Announcement](https://developer.atlassian.com/cloud/trello/changelog/)
- Page: https://www.okapi.bot/providers/trello/breaking-changes/put-1-boards-labelnames-is-deprecated/

## What to use instead

Create labels with POST /1/boards/{idBoard}/labels (or POST /1/labels) and rename them with PUT /1/labels/{id}.

## Trello API's words

> This endpoint will be deprecated in 6 months per our developer communications guidelines (August 18, 2025).