---
title: "Changes to Update Session"
method: PATCH
path: "/sessions/{chat_session_id}"
---

# Changes to Update Session

`PATCH /sessions/{chat_session_id}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 30 revisions.

- **2026-09-18** `abf76937a751` — 2 info

## Changes

- **2026-09-18** `abf76937a751` — 2 info
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status

---

[Operation](https://skmtc.dev/quadrillion/apis/quadrillion-cloud-api/docs/sessions/:chat_session_id/patch.md) · [API](https://skmtc.dev/quadrillion/apis/quadrillion-cloud-api.md) · [Page](https://skmtc.dev/quadrillion/apis/quadrillion-cloud-api/changes/sessions/:chat_session_id/patch)