---
title: "Changes to Update an agent by ID"
method: PUT
path: "/api/fleet/agents/{agentId}"
---

# Changes to Update an agent by ID

`PUT /api/fleet/agents/{agentId}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 92 revisions.

- **2026-07-28** `dfce7fdff4a2` — 1 info

## Changes

- **2026-07-28** `dfce7fdff4a2` — 1 info
  - added the optional property `item/policy_base_id` to the response with the `200` status

---

[Operation](https://skmtc.dev/elastic/apis/kibana-apis/docs/api/fleet/agents/:agentId/put.md) · [API](https://skmtc.dev/elastic/apis/kibana-apis.md) · [Page](https://skmtc.dev/elastic/apis/kibana-apis/changes/api/fleet/agents/:agentId/put)