# /api/v1/* stops working

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

On June 4, 2026, Composio API removed legacy endpoints including /api/v1/*. Calls targeting these routes now fail and return 410 instead of completing normally.

## What to use instead

Use the v3 or v3.1 endpoints instead.

- API: Composio API (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)
- Verified: November 6, 2026, against Composio API's own pages
- Page: https://www.okapi.bot/providers/composio/breaking-changes/api-v1-stops-working/

## Composio API's words

> The legacy v1 and v2 endpoints, deprecated last year, have now been removed. Any calls to /v1 or v2 endpoints now return 410

Okapi finds the calls this change hits in your repo and opens the pull request with the fix: https://github.com/apps/okapi-agent