> For the complete documentation index, see [llms.txt](https://docs.guardrail.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.guardrail.ai/integrations/alerts.md).

# Alert Channels

Guardrail delivers alerts through multiple channels. Configure different channels for different guard severities.

## Supported Channels

| Channel   | Real-time | Resolution | Threading |
| --------- | --------- | ---------- | --------- |
| Slack     | ✓         | ✓          | ✓         |
| Discord   | ✓         | ✓          | ✓         |
| PagerDuty | ✓         | —          | —         |
| Telegram  | ✓         | —          | —         |
| Webhooks  | ✓         | —          | —         |

## Alert Features

**Sub-second delivery** — Alerts fire on transaction confirmation.

**Interactive resolution** — Resolve alerts directly from Slack or Discord.

**Alert grouping** — Suppress duplicate alerts with configurable windows.

**Severity levels** — Route critical vs. informational alerts to different channels.

**Custom formatting** — Tailor alert messages for your team's workflow.

For setup instructions, see [App Documentation →](https://docs.guardrail.ai/app/alerts)

***


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