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Infisical can send PKI certificate alert notifications to a Slack channel using Incoming Webhooks. This guide walks through creating a Slack app and configuring a Slack alert.

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Guide to Creating a Slack Alert

1

Create a Slack App

  1. Go to the Slack API Apps page and click Create New App
  2. Select From scratch
  3. Give your app a name (e.g., “Infisical PKI Alerts”) and select the Slack workspace where you want to receive notifications
  4. Click Create App slack create app
2

Enable Incoming Webhooks

  1. In your app settings, navigate to Incoming Webhooks in the left sidebar under “Features”
  2. Toggle Activate Incoming Webhooks to On
  3. Click Add New Webhook at the bottom of the page
  4. Select the channel where you want to receive alerts and click Allow
  5. Copy the generated Webhook URL (it will look like https://hooks.slack.com/services/T00000000/B00000000/XXXXXXXXXXXXXXXXXXXXXXXX) slack enable webhooks
3

Create the Alert in Infisical

Head to your Certificate Management Project > Alerting and press Create Certificate Alert.pki alertingpki alerting modalHere’s some guidance for each field in the alert configuration sequence:
  • Alert Type: The type of alert to create such as Certificate Expiration.
  • Alert Name: A slug-friendly name for the alert such as tls-expiry-alert.
  • Description: An optional description for the alert.
  • Alert Before: The time before certificate expiration to trigger the alert such as 30 days denoted by 30d.
  • Filters: A list of filters that determine which certificates the alert applies to. Each row includes a Field, Operator, and Value to match against. For example, you can filter for certificates with a common name containing example.com by setting the field to Common Name, the operator to Contains, and the value to example.com.
4

Add a Slack Notification Channel

Add a Slack notification channel and paste the webhook URL you copied from Slack.slack configure alert
Keep your webhook URL secure. Anyone with access to it can post messages to your Slack channel.
Slack messages include alert details and the two most urgent expiring certificates, with a link to view all certificates in Infisical.