---
title: "For a set of volumes, return the size in bytes"
method: POST
path: "/api/Download/bulk-volume-size"
tags: ["Download"]
---

# For a set of volumes, return the size in bytes

`POST /api/Download/bulk-volume-size`

## Request

- Base URL: `http://localhost:5000`
- URL: `http://localhost:5000/api/Download/bulk-volume-size`
- Auth: API key in header `x-api-key`

## Request body

- BulkVolumeSizeRequest
  - `volumeIds` integer[], nullable

## Response `200`

OK

- object

## Changes

- **2026-03-19** `1acacd51149a`: 3 breaking, 3 info
  - the request's body type changed from `array` to `object` (media type: application/json)
  - the request's body type changed from `array` to `object` (media type: text/json)
  - the request's body type changed from `array` to `object` (media type: application/*+json)
  - added the new optional request property `volumeIds` (media type: application/json)
  - …2 more
- **2026-03-07** `e9c6e7cfdce7`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/kareadita/apis/kavita/changes/api/Download/bulk-volume-size/post.md)

---

[API](https://skmtc.dev/kareadita/apis/kavita.md) - [All operations](https://skmtc.dev/kareadita/apis/kavita/llms.txt) - [OpenAPI document](https://skmtc.dev/kareadita/apis/kavita/revisions/d266465eeb67?raw)