Does NotebookLM have an API?
Not for personal accounts. As of September 2026 there is no public consumer API for Gemini Notebook (formerly NotebookLM). Google offers a Gemini Notebook Enterprise API in Preview for Google Cloud customers, which can create notebooks and add sources.
In more detail
Personal Google accounts have no public Gemini Notebook API. Google Cloud customers can use the Gemini Notebook Enterprise API, which is in Preview (v1alpha) and includes creating notebooks and adding sources in batches; see Google Cloud documentation for access and terms. For personal accounts, practical options are Google Drive as a bridge (Gemini Notebook reads Drive files), Google Workspace Studio flows on Workspace accounts, or a companion extension such as Gemini Notebook Toolkit that captures pages and AI chats in your browser. Community tools that automate the web interface are unofficial and break when the interface changes.
Get one-click capture for NotebookLM
Gemini Notebook Toolkit saves ChatGPT, Claude, YouTube, Reddit, and any web page to NotebookLM in one click. Free to install.
Install Gemini Notebook Toolkit