---
title: "Changes to Patch Session"
method: PATCH
path: "/v1/agent_sessions/{session_id}"
---

# Changes to Patch Session

`PATCH /v1/agent_sessions/{session_id}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 70 revisions.

- **2026-08-21** `6107b5235c74` — 1 warning
- **2026-08-11** `881c8eca3876` — 1 info

## Changes

- **2026-08-21** `6107b5235c74` — 1 warning
  - added the new `agent_session_tool_approvals_conflict` enum value to the `code` response property for the response status `409`
- **2026-08-11** `881c8eca3876` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/arize-ai/apis/arize-phoenix-rest-api/docs/v1/agent_sessions/:session_id/patch.md) · [API](https://skmtc.dev/arize-ai/apis/arize-phoenix-rest-api.md) · [Page](https://skmtc.dev/arize-ai/apis/arize-phoenix-rest-api/changes/v1/agent_sessions/:session_id/patch)