Is ntfy2.com free to use?

Yes, completely free. No sign-up, no API key, and no rate limits. Just POST to any topic and subscribe with the ntfy app.

Is ntfy2.com compatible with the ntfy app?

Yes. Add ntfy2.com as a custom server in the ntfy Android or iOS app, then subscribe to your topics as usual.

How long are messages stored?

Messages are stored for 7 days and then automatically deleted. For permanent storage, consume messages via the streaming or polling API and save them yourself.

ntfy2.com

Free push notification relay

Try it

Send a notification to your phone in seconds

1. Install the ntfy app and subscribe to a topic
2. Send a message from your terminal
3. That's it. Your phone buzzes.

Topic Message

Publishing

Send a notification with a single HTTP request

Simple message

curl -d "Hello" https://ntfy2.com/mytopic

With title and tags

curl \
  -H "Title: Disk full" \
  -H "Tags: warning" \
  -d "Server /dev/sda1 is 95% full" \
  https://ntfy2.com/mytopic

JSON body

curl -H "Content-Type: application/json" \
  -d '{"topic":"mytopic","title":"Alert","message":"Hello"}' \
  https://ntfy2.com/

Subscribing

Receive notifications via the ntfy app, curl, or any HTTP client

Poll for messages

curl -s "https://ntfy2.com/mytopic/json?poll=1"

Stream (SSE)

curl -s "https://ntfy2.com/mytopic/json"

WebSocket

wscat -c "wss://ntfy2.com/mytopic/ws"

Email

Send notifications via email — any system that can send email can push to ntfy2

Send an email to your topic

echo "Server is down" | mail -s "Alert" mytopic@ntfy2.com

The recipient address becomes the topic. Subject becomes the title. Body becomes the message.

Features

No sign-up required

No rate limits

Edge-powered globally

HTTPS encrypted

ntfy app compatible

Open protocol