Ntfy is an open-source, HTTP-based pub-sub notification service designed to simplify sending push notifications. It enables users to send alerts to their mobile devices or desktops using scripts from any computer or through a REST API. The service is free software and offers flexibility for various integration needs.
Messages are published via PUT or POST requests, with topics created dynamically upon subscription or publication. Users can receive notifications on their phones with customizable priorities, attachments, action buttons, tags, and emojis. Desktop notifications are also supported through a web application where users subscribe to topics.
Since publishing messages is an HTTP request, Ntfy can integrate with a wide range of tools. Examples include receiving alerts from cronjobs, GitHub Actions pipelines, or website change detections. The service aims to provide timely notifications for various automated events.
Ntfy can be used for free without sign-up, with optional paid plans for additional features like reserving topic names. Users also have the option to self-host the service, as it is open source under Apache 2.0 and GPLv2 licenses. Development is conducted openly on GitHub, with community discussions on Discord and Matrix.
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Ntfy is an open-source, HTTP-based pub-sub notification service that allows users to send push notifications to phones or desktops from scripts or via a REST API. It provides a flexible way to integrate notifications into various tools and workflows, offering both a free tier and paid plans, as well as self-hosting options.