Resources
API
Build custom integrations with the REST API. Save URLs, sync your library, and automate workflows.
CLI
Manage your library from the terminal. Includes an interactive TUI and JSON output for scripting.
Home
Matter Documentation
API reference, CLI tools, and developer guides for the Matter read-later app.
Matter is a read-later app for people who take reading seriously. Save articles, newsletters, PDFs, tweets, and more from anywhere — then read them in a clean, focused interface on iOS or the web. Highlight passages, take notes, and organize everything with tags.