Free APICommsNo keyOfficial
ntfy.sh
Push to your phone with a plain HTTP POST, no account and no key
ntfy.sh is an open-source HTTP pub-sub service for sending push notifications to phones and desktops. You publish to a topic with a simple PUT/POST and subscribe in the app or via the API. The public instance is free with no signup, and the whole stack is self-hostable.
Free tier
Free on the public instance, no signup; ~250 notifications/day soft limit. Self-host for unlimited.Rate limits
Public ntfy.sh: ~60-message burst that refills one message every 5 seconds, plus a ~250 messages/day soft quota. Limits lifted if you self-host or use a paid tier.Auth
No keyBase URL
https://ntfy.shWhat you'd build with it
- Push cron-job, backup, or deploy results to your phone with one curl line
- Alert on long-running automation completion from a script
- Subscribe a workflow to a topic stream to react to events
- Self-host for fully private, unlimited push without any third party
Key endpoints
- POST
/{topic}Publish a notification to a topic (body is the message) - PUT
/{topic}Publish a notification (alternative verb) - GET
/{topic}/jsonSubscribe to a topic as a JSON stream - GET
/{topic}/sseSubscribe to a topic via server-sent events
Members
Members get the runnable recipe
Sign in free to copy the example request, see a sample response, and read the gotchas.
Tags
notificationspushpubsubopen-sourcekeyless