ntfy.sh

Open-source push notification service

Fairfield, CT, USA
Founded 2021

ntfy is an open-source, HTTP-based pub-sub notification service that allows users to send push notifications to phones or desktops via simple PUT/POST requests from any computer or script. The service requires no sign-up for basic use and is available as a free hosted service at ntfy.sh, as well as a self-hostable server. ntfy is dual-licensed under the Apache 2.0 and GPLv2 licenses and offers paid plans (ntfy Pro) for users who want reserved topics or higher message limits.

Last Updated: May 15, 2026

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Core OSS Projects

HTTP-based pub-sub notification service for sending push notifications via PUT/POST

License: Apache-2.0

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Self-HostedMessagingDeveloper ToolsReal-time

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GPL-2.0-onlyApache-2.0

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