# /api/v1.1 is deprecated

CircleCI API deprecated /api/v1.1/* without giving a shutdown date yet.

- API: CircleCI API (circleci.com)
- Kind: Version retirement
- Takes effect: no date given yet
- Calls after that day: fail
- Calls it hits: `/api/v1.1/*`
- Source: [Announcement](https://circleci.com/docs/api-intro/)
- Page: https://www.okapi.bot/providers/circleci-api/breaking-changes/api-v1-1-is-deprecated/

## What to use instead

Move the calls to API v3 (or v2): for example trigger pipelines with POST /api/v2/project/{project-slug}/pipeline instead of the v1.1 project build endpoints.

## CircleCI API's words

> API v1.1 is planned for End-Of-Life (EOL); CircleCI will communicate the discontinuation date in the future.