---
title: "Changes to Marks all chapters within a list of volumes as Unread. All volumes must belong to the same Series."
method: POST
path: "/api/Reader/mark-multiple-unread"
---

# Changes to Marks all chapters within a list of volumes as Unread. All volumes must belong to the same Series.

`POST /api/Reader/mark-multiple-unread`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 136 revisions.

- **2026-03-19** `1acacd51149a`: 3 info

## Changes

- **2026-03-19** `1acacd51149a`: 3 info
  - added the new optional request property `generateReadingSession` (media type: application/json)
  - added the new optional request property `generateReadingSession` (media type: text/json)
  - added the new optional request property `generateReadingSession` (media type: application/*+json)

---

[Operation](https://skmtc.dev/kareadita/apis/kavita/docs/api/Reader/mark-multiple-unread/post.md) - [API](https://skmtc.dev/kareadita/apis/kavita.md) - [Page](https://skmtc.dev/kareadita/apis/kavita/changes/api/Reader/mark-multiple-unread/post)