# GET /radar/attacks/layer3/top/vertical is deprecated

Calls to GET /radar/attacks/layer3/top/vertical on Cloudflare API stopped working on September 20, 2025.

On September 20, 2025, Cloudflare API removes the GET /radar/attacks/layer3/top/vertical endpoint. The provider announced this deprecation on March 20, 2025. Any requests sent to this endpoint after September 20, 2025, will fail.

## What to use instead

Switch your requests to use GET /radar/attacks/layer3/summary/vertical instead.

- API: Cloudflare API (api.cloudflare.com)
- Kind: Endpoint removal
- Announced: March 20, 2025
- Takes effect: September 20, 2025
- Calls after that day: fail
- Calls it hits: `GET /radar/attacks/layer3/top/vertical`
- Source: [Changelog](https://developers.cloudflare.com/fundamentals/api/reference/deprecations/index.xml)
- Verified: October 26, 2026, against Cloudflare API's own pages
- Page: https://www.okapi.bot/providers/cloudflare/breaking-changes/get-radar-attacks-layer3-top-vertical-is-deprecated/

## Cloudflare API's words

> GET /radar/attacks/layer3/top/vertical

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