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

# Notifications API Overview

> Manage webhook subscriptions and event schemas for real-time notifications

The Notifications API provides endpoints for creating and managing webhook subscriptions that deliver real-time event notifications when changes occur in your telematics data, fleet operations, and organizational relationships.

<Check>
  **Event-Driven Architecture:** Subscribe to specific events and receive instant HTTP callbacks when data changes, eliminating the need for constant polling.
</Check>

***

## Available Resources

<CardGroup cols={2}>
  <Card icon="webhook" title="Webhook API Endpoints">
    ***

    <b>Subscriptions:</b> Create, update, and delete webhook subscriptions for real-time event delivery.

    <b>Monitoring:</b> Track delivery metrics, success rates, and view detailed logs for every attempt.

    <b>Event Replay:</b> Recover failed events from the Dead Letter Queue.

    <b>Schemas:</b> Access versioned OpenAPI 3.0 schemas for all webhook events.
  </Card>

  <Card icon="list" title="Webhook Events">
    ***

    <b>Telematics Events:</b> Vehicle updates, location changes, driver status, HOS violations, and IFTA data.

    <b>Organizational Events:</b> Fleet connections, invitations, share agreements, and partner relationships.

    <b>System Events:</b> Webhook lifecycle, execution status, and scheduled job results.
  </Card>
</CardGroup>

***

## Webhook Documentation

<CardGroup cols={2}>
  <Card icon="book-open" title="Webhooks Overview" href="/api-reference/webhooks/overview">
    Learn how webhooks work, reliability features, and event delivery models.
  </Card>

  <Card icon="wrench" title="Setup Guide" href="/api-reference/webhooks/webhook-setup">
    Step-by-step instructions for creating webhook subscriptions and configuring filters.
  </Card>

  <Card icon="shield-check" title="Security & Validation" href="/api-reference/webhooks/webhook-validation">
    Implement signature verification and understand request headers.
  </Card>

  <Card icon="chart-bar" title="Operations & Monitoring" href="/api-reference/webhooks/operations-monitoring">
    Monitor webhook health, track metrics, and manage lifecycle.
  </Card>
</CardGroup>

***