# /lemur/v3/* stops working

Calls to /lemur/v3/* on AssemblyAI API stopped working on March 31, 2026.

- API: AssemblyAI API (api.assemblyai.com)
- Kind: Endpoint removal
- Announced: November 18, 2025
- Takes effect: March 31, 2026
- Calls after that day: fail
- Calls it hits: `/lemur/v3/*`
- Source: [Announcement](https://www.assemblyai.com/changelog)
- Page: https://www.okapi.bot/providers/assemblyai-api/breaking-changes/lemur-v3-stops-working/

## What to use instead

Migrate to the LLM Gateway.

## AssemblyAI API's words

> LeMUR will be deprecated on March 31, 2026 and will no longer work after this date.