Monitor HTTP/Service

A Home Assistant custom integration (HACS compatible) to monitor HTTP endpoints or services, with a beautiful Lovelace card for service history visualization.

Features

• Add and monitor multiple HTTP endpoints or services
• View service history with green/red bars (up/down) in a custom Lovelace card
• Easy configuration via Home Assistant UI

Screenshots

Single Monitor Example

Multiple Monitors Example

Example YAML Configuration

type: custom:monitor-http-card
name: My Monitors
entities:
	- entity: sensor.phpmyadmin
		name: PHP My Admin
	- entity: sensor.radarr_monitor
		name: Radarr
# Optional: history_length: 72 (for 3 days, default is 24)

Replace the entities and names with your own.

Manual Installation

1. In Home Assistant, go to Settings → Dashboards → Resources, and add:
   • URL: https://cdn.jsdelivr.net/gh/minermartijn/MyMonitor@master/custom_components/mymonitor/www/monitor-http-card.js
   • Type: JavaScript Module
2. Add the card to your dashboard using:

   type: custom:monitor-http-card
   name: My Monitors
   entities:
       - entity: sensor.phpmyadmin
      	 name: PHP My Admin
       - entity: sensor.radarr_monitor
      	 name: Radarr
   # Optional: history_length: 72 (for 3 days, default is 24)

   Replace the entities and names with your own.

Usage

1. Add the Integration

• Go to Home Assistant Settings → Devices & Services → Add Integration
• Search for "MyMonitor"
• Add endpoints to monitor (name, URL, method, expected status)
• Choose "Manual" if needed
• Replace YOUR_MONITOR_NAME with the name you gave your monitor (lowercase, spaces replaced with underscores)

License

MIT