Logstreem
Slack

Slack

Post alerts to a channel with the triggering chart attached.

Uses an incoming webhook URL. The message includes the monitor name, the value, the threshold and a rendered chart.

cURL
curl -X POST https://api.logstreem.com/v1/notifiers \
  -H "Authorization: Bearer $LOGSTREEM_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Platform alerts",
    "type": "slack",
    "config": {
      "url": "https://hooks.slack.com/services/T000/B000/XXXX",
      "mention": "@platform-oncall"
    }
  }'
ConfigRequiredNote
urlYesIncoming webhook URL. The channel is fixed by the webhook
mentionNoPrepended on alert, omitted on resolve
include_chartNoDefault true. A PNG of the triggering window

Mention on alert, not on resolve

That is the default and it is deliberate. Being @-mentioned to be told something is fine is how a channel gets muted.
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