---
title: "Changes to Replaces library cover image with a base64 encoded image. If empty string passed, will reset to null."
method: POST
path: "/api/Upload/library"
---

# Changes to Replaces library cover image with a base64 encoded image. If empty string passed, will reset to null.

`POST /api/Upload/library`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 136 revisions.

- **2026-05-31** `3d5b8ba8bc3b`: 6 info

## Changes

- **2026-05-31** `3d5b8ba8bc3b`: 6 info
  - added the new optional request property `fileName` (media type: application/json)
  - added the new optional request property `fileName` (media type: text/json)
  - added the new optional request property `fileName` (media type: application/*+json)
  - the request property `url` became optional (media type: application/json)
  - the request property `url` became optional (media type: text/json)
  - the request property `url` became optional (media type: application/*+json)

---

[Operation](https://skmtc.dev/kareadita/apis/kavita/docs/api/Upload/library/post.md) - [API](https://skmtc.dev/kareadita/apis/kavita.md) - [Page](https://skmtc.dev/kareadita/apis/kavita/changes/api/Upload/library/post)