sentinel

Slack integration

Receive alerts in Slack when a monitor is overdue.

How it works

The integration will only be triggered when a backup is overdue/ failed or has recovered.

🔴 db-production is OVERDUE — last backup 2026-07-14 03:00:12 +0000,
   expected At 03:00 AM Europe/Sofia (+1h grace). 

🟢 db-production is OK — backup ran after a gap.

1. Create an incoming webhook in Slack

Follow the guide to create a new incoming webhook and copy its webhook URL. It should look something like this:

https://hooks.slack.com/services/T00000000/B00000000/XXXXXXXXXXXXXXXXXXXXXXXX

2. Add it to the monitor

Open your monitor and click on the Integrations tab. Find Slack in the list and click configure: Configure slack webhook

Give it a descriptive name in the Label field and paste the URL from step 1 in the Webhook URL field. Click on the add webhook button to save the integration.

3. Send a test

Make sure the webhook works by clicking the test button: