Slack Alerts - Infisical

Send certificate alert notifications to a Slack channel using Incoming Webhooks. Get notified when certificates expire, are issued, renewed, or revoked.

<Info> Alerts are configured per Application and apply to all certificates within that Application. </Info>

Create a Slack Alert

<Steps> <Step title="Create a Slack App"> 1. Go to the [Slack API Apps page](https://api.slack.com/apps) and click **Create New App** 2. Select **From scratch** 3. Name your app (e.g., "Infisical PKI Alerts") and select your workspace 4. Click **Create App** </Step> <Step title="Enable Incoming Webhooks"> 1. In your app settings, go to **Incoming Webhooks** under "Features" 2. Toggle **Activate Incoming Webhooks** to **On** 3. Click **Add New Webhook to Workspace** 4. Select the channel for alerts and click **Allow** 5. Copy the **Webhook URL**

<Note>
  Keep your webhook URL secure. Anyone with access can post to your channel.
</Note>

</Step> <Step title="Navigate to your Application"> Go to **Certificate Manager → Applications** and select your Application. </Step> <Step title="Create an alert"> Go to the **Settings** tab and find the **Alerting** section. Click **Create Alert**.

| Setting | Description |
|---------|-------------|
| **Alert Type** | Certificate Expiration, Issuance, Renewal, or Revocation |
| **Alert Name** | A slug-friendly name like `tls-expiry-alert` |
| **Description** | Optional context about this alert |
| **Alert Before** | *(Expiration only)* Time before expiry to trigger, e.g., `30d` |

</Step> <Step title="Add a Slack channel"> Add a **Slack** notification channel and paste the webhook URL from Slack. </Step> </Steps>

Message Format

Slack messages include alert details and the two most relevant certificates, with a link to view all certificates in Infisical.

Messages are color-coded by event type:

Event Type	Color
Certificate Expiration	Amber
Certificate Issuance	Green
Certificate Renewal	Blue
Certificate Revocation	Red

What's Next?

<CardGroup cols={2}> <Card title="Webhook Alerts" icon="webhook" href="/documentation/platform/pki/applications/alerting/webhook-alerts"> Send alerts to custom HTTP endpoints. </Card> <Card title="PagerDuty Alerts" icon="pager" href="/documentation/platform/pki/applications/alerting/pagerduty-alerts"> Create incidents in PagerDuty. </Card> <Card title="Certificate Syncs" icon="arrows-rotate" href="/documentation/platform/pki/applications/certificate-syncs/overview"> Push certificates to cloud destinations. </Card> <Card title="Managing Certificates" icon="list" href="/documentation/platform/pki/applications/certificates"> View and manage certificates. </Card> </CardGroup>