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Apprise API vs Apprise: catalog facts
Apprise API	Apprise
Free Free and open source with no paid tier.	Free The open-source software is available without a license fee. Hosting, hardware and…
Linux, Self-hosted	Windows, macOS, Linux, Command line
Language-agnostic notifications over a REST API Runs as a Docker container	Provides a shared interface for different notification backends.
You host and maintain the server yourself Needs another tool or script to send it messages	Each destination still needs its own service configuration.
Self-hosted	Downloadable app
Open source	Open source
License: MIT	License: BSD-2-Clause
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.