---
title: "Mark Chat Unread"
method: PATCH
path: "/api/chats/{chat_id}/unread"
tags: ["chats"]
---

# Mark Chat Unread

`PATCH /api/chats/{chat_id}/unread`

## Request

- Base URL: `https://app.thinqos.com` (the document declares no server; this is the origin it was published from)
- URL: `https://app.thinqos.com/api/chats/{chat_id}/unread`
- Auth: none declared

Mark a chat explicitly unread for the current user.

TOS-4678: no-ops while impersonating, same rule as ``mark_chat_read``
above - an impersonator may not rewrite the target's unread state in
either direction.

## Path parameters

- `chat_id` string, uuid, required

## Headers

- `x-impersonate-identity-id` string, nullable

## Response `200`

Successful Response

- OkResponse
  - `ok` boolean

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/thinqos/apis/thinqos-api.md) · [All operations](https://skmtc.dev/thinqos/apis/thinqos-api/llms.txt) · [OpenAPI document](https://skmtc.dev/thinqos/apis/thinqos-api/revisions/5fdd1072e877?raw)