# /api/v1/* stops working

Calls to /api/v1/* on Composio stopped working on June 4, 2026.

- API: Composio (backend.composio.dev)
- Kind: Version retirement
- Announced: June 4, 2026
- Takes effect: June 4, 2026
- Calls after that day: fail
- Calls it hits: `/api/v1/*`
- Source: [Announcement](https://docs.composio.dev/reference/changelog)
- Page: https://www.okapi.bot/providers/composio/breaking-changes/api-v1-stops-working/

## What to use instead

Use the v3 or v3.1 endpoints.