EZAlert.me can send alerts to your Slack environment by the Incoming WebHooks Slack app.
In Slack configuration, add Incoming WebHooks app and configure it. Copy the Webhook Url parameter.
Then enter your EZAlert.me channel configuration page, click on the "Add Slack Connection" button and paste the Webhook Url.
Click Save button and you are done: all alerts delivered to your EZAlert.me channel will be forwarded to your Slack channel too.
Note: Slack integration is slightly different from other IM bot integraion, because it is one-way: there is no way to send messages back to EZAlert.me from Slack.