Connect Slack alerts
Get downtime, recovery, and test-failure alerts in a Slack channel using a free incoming webhook. Takes about 2 minutes — no coding.
- 1
Open Slack's app builder
Go to api.slack.com/apps , click Create New App, then choose From scratch.
- 2
Name it and pick your workspace
Type any name (for example ismysiteup), select the Slack workspace where you want the alerts, then click Create App.
- 3
Turn on Incoming Webhooks
In the left sidebar click Incoming Webhooks, then flip Activate Incoming Webhooks to On.
- 4
Add a webhook to a channel
Scroll down and click Add New Webhook to Workspace. Pick the channel where alerts should appear (for example #alerts) and click Allow.
- 5
Copy the webhook URL
Slack now shows a link that starts with https://hooks.slack.com/services/…. Click Copy next to it.
- 6
Paste it into ismysiteup
Open Settings → Notifications → Slack → Configure, paste the URL into the Webhook URL box, click Save, then Turn On. Finally hit Send Test to make sure a message lands in your channel.
✅ That's it!
Your Slack channel now receives ismysiteup alerts. Want alerts in more channels? Just repeat steps 4–6 to add another webhook.