> ## Documentation Index
> Fetch the complete documentation index at: https://infisical.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Slack Alerts

> Send certificate alert notifications to a Slack channel.

Send certificate alert notifications to a Slack channel using [Incoming Webhooks](https://api.slack.com/messaging/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>