---
title: "Save book reading position"
method: PATCH
path: "/api/notebooks/{notebook}/book/reading-position"
tags: ["notebook-books-controller"]
---

# Save book reading position

`PATCH /api/notebooks/{notebook}/book/reading-position`

## Path parameters

- `notebook` integer, required

## Request body

- BookLastReadPositionRequest
  - `locator` ContentLocatorFull
    - `type` string, required
  - `selectedBookBlockId` integer, nullable — Selected book block id for reading UI; omit or null to leave the stored value unchanged

## Response `204`

No Content

## Changes

- **2026-05-14** `af63ed0722e8` — 1 info
  - the request property `selectedBookBlockId` became nullable
- **2026-05-11** `d7c2946139e9` — 1 breaking
  - the request property `selectedBookBlockId` became not nullable

[Change history](https://skmtc.dev/nerds-odd-e/apis/openapi-definition/changes/api/notebooks/:notebook/book/reading-position/patch.md)

---

[API](https://skmtc.dev/nerds-odd-e/apis/openapi-definition.md) · [All operations](https://skmtc.dev/nerds-odd-e/apis/openapi-definition/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/nerds-odd-e/openapi-definition/revisions/44ef688a3dcd/schema)