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

# Introduction

Happy Uptime is uptime monitoring, status pages, on-call, and incident management for developers — with instant alerts, dependency tracking, and AI-powered incident analysis.

# Welcome to Happy Uptime

Happy Uptime monitors your endpoints from 6 regions worldwide, surfaces outages before your customers notice, pages the right person on call, and helps you ship branded status pages in minutes. Every feature is accessible through the REST API, the CLI, or the dashboard — pick whatever fits your workflow.

**[Quickstart](/quickstart)**

First monitor + status page in under 5 minutes.
  **[On-call setup](/guides/first-rotation)**

Multi-layer rotations with Slack paging, in 10 minutes.
  **[CLI](/cli/install)**

Drive everything from the terminal or CI.
  **[API Reference](/api/overview)**

Every endpoint with copy-paste examples.

## What you can do

**[Monitor anything](/concepts/monitors)**

HTTP, TCP, DNS, keyword, ping, and heartbeat checks from 6 regions with full timing waterfalls.
  **[Alert everywhere](/concepts/alerts)**

Slack, Discord, webhook, Telegram, and email — with quiet hours, outage grouping, and on-call routing.
  **[Multi-layer on-call](/concepts/on-call)**

Stack Primary, Secondary, and Manager layers. Restrictions, fixed shifts, overrides, and escalation.
  **[Branded status pages](/concepts/status-pages)**

Three templates, custom CSS, custom domains, subscribers, RSS, and embeddable widgets.
  **[AI incident analysis](/concepts/incidents)**

Probable-cause analysis, drafted status updates, and one-click postmortems.
  **[Visual regression](/concepts/screenshots)**

Failure screenshots and baseline comparison so you catch UI breaks, not just 5xx.

## Common paths

**[I'm new](/quickstart)**

Start with the quickstart.
  **[I'm migrating](/guides/migrate-betterstack)**

BetterStack, Pingdom, UptimeRobot — guides per source.
  **[I'm an agent](/integrations/claude-code)**

Install the Claude Code skill.

## Base URL

```
https://happyuptime.com/api/v1
```

Prefer the CLI? `npm i -g happyuptime-cli`, then `happy login`. Every REST endpoint has a matching CLI command.