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

# Webhooks

> Receive real-time notifications about email and contact events as they happen.

## What are webhooks?

Webhooks let your application receive real-time HTTP notifications when something happens with your emails — a delivery, a bounce, a click, a spam complaint. Instead of polling the API, SendKit pushes events directly to your server.

You configure an endpoint URL, choose which events you care about, and SendKit sends a `POST` request every time one of those events occurs.

## Getting started

Go to **Webhooks** in the dashboard and click **Create Webhook**. You'll need to provide an endpoint URL and select the events you want to receive. SendKit verifies your endpoint is reachable before creating the webhook.

## Key features

* **Signed requests** — Every delivery includes an HMAC-SHA256 signature so you can verify it's from SendKit
* **Automatic retries** — Failed deliveries are attempted up to 3 times with 60-second intervals
* **Auto-pause** — Webhooks are automatically paused after 5 consecutive failures to protect your server
* **Event replay** — Re-send any past event from the dashboard for debugging or recovery
* **Real-time logs** — View every delivery with its payload, response, and status

## Learn more

<Columns cols={2}>
  <Card title="Introduction" icon="book" href="/webhooks/introduction">
    How webhooks work and payload format.
  </Card>

  <Card title="Event types" icon="list" href="/webhooks/event-types">
    All available email and contact events.
  </Card>

  <Card title="Retries and failures" icon="rotate" href="/webhooks/retries">
    Retry behavior, auto-pause, and best practices.
  </Card>

  <Card title="Verifying signatures" icon="lock" href="/webhooks/signatures">
    HMAC-SHA256 verification with code examples.
  </Card>
</Columns>