# POST /api/v3/tools/execute/proxy stops working

Calls to POST /api/v3/tools/execute/proxy on Composio API stopped working on June 4, 2026.

On June 4, 2026, the POST /api/v3/tools/execute/proxy endpoint stopped working. Calls made to this route fail because proxy execute is disabled on the v3 API. Developers making requests to this path must switch away from the disabled endpoint to avoid failures.

## What to use instead

Call POST /api/v3.1/tools/execute/proxy or update your SDK.

- API: Composio API (backend.composio.dev)
- Kind: Endpoint removal
- Announced: June 4, 2026
- Takes effect: June 4, 2026
- Calls after that day: fail
- Calls it hits: `POST /api/v3/tools/execute/proxy`
- 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/post-api-v3-tools-execute-proxy-stops-working/

## Composio API's words

> Proxy Execute is disabled on v3 api, please use v3.1 or update your sdks.

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