diff --git a/README.md b/README.md
index f929963..4d642a8 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # lego-monitoring
 
-Simple system monitoring service. Sends alerts in Telegram. Currently supports monitoring:
+Simple system monitoring service. Sends alerts in Telegram and/or reports status to [Healthchecks](https://healthchecks.io/). Currently supports monitoring:
 * CPU/RAM/network usage
 * temperature readings
 * [vulnix](https://github.com/nix-community/vulnix) readings (NixOS only)
@@ -57,7 +57,7 @@ cp config.example.json config.json
 ```
 
 Edit `config.json` to suit your usage scenario. The default configuration only sends alerts on service's start and stop.
-You may refer to the NixOS option documentation, as its options are the same, except JSON uses snake_case instead of lowerCamelCase.
+You may refer to the NixOS option documentation, as its options are the same, except JSON uses snake_case instead of lowerCamelCase, and `enable` NixOS options just make a config section present or absent in JSON.
 
 Then enable and start the service:
 
diff --git a/config.example.json b/config.example.json
index b875087..5e2d823 100644
--- a/config.example.json
+++ b/config.example.json
@@ -5,9 +5,11 @@
         "stop",
         "remind"
     ],
-    "telegram": {
-        "creds_secret_path": "/opt/lego-monitoring/tg-creds.txt",
-        "roomId": "0"
+    "alert_channels": {
+        "telegram": {
+            "creds_secret_path": "/opt/lego-monitoring/tg-creds.txt",
+            "roomId": "0"
+        }
     },
     "checks": {
         
diff --git a/docs/nixos-options.md b/docs/nixos-options.md
index 63bb9f9..bf01a66 100644
--- a/docs/nixos-options.md
+++ b/docs/nixos-options.md
@@ -30,8 +30,7 @@ boolean
 
 List of enabled check sets\. Each check set is a module which checks something and generates alerts based on check results\. Available check sets:
 
- - start – send an alert when lego-monitoring is started
- - stop – send an alert when lego-monitoring is stopped
+ - self – send an alert when lego-monitoring is started and stopped
  - remind – periodically (daily by default) remind about ongoing unresolved alerts
  - cpu – alerts when CPU usage is above threshold
  - ram – alerts when RAM usage is above threshold
@@ -42,7 +41,7 @@ List of enabled check sets\. Each check set is a module which checks something a
 
 
 *Type:*
-list of (one of “start”, “stop”, “remind”, “cpu”, “ram”, “temp”, “net”, “vulnix”)
+list of (one of “self”, “remind”, “cpu”, “ram”, “temp”, “net”, “vulnix”)
 
 
 
@@ -54,8 +53,156 @@ list of (one of “start”, “stop”, “remind”, “cpu”, “ram”, “
 
 
 
+## services\.lego-monitoring\.alertChannels\.healthchecks\.enable
+
+Whether to enable [Healthchecks](https://healthchecks\.io) notification channel\.
+
+
+
+*Type:*
+boolean
+
+
+
+*Default:*
+` false `
+
+
+
+*Example:*
+` true `
+
+*Declared by:*
+ - [modules/options\.nix](../modules/options.nix)
+
+
+
+## services\.lego-monitoring\.alertChannels\.healthchecks\.pingingApiEndpoint
+
+
+
+Endpoint URL for Healthchecks pinging API\.
+
+
+
+*Type:*
+string
+
+
+
+*Default:*
+` "https://hc-ping.com/" `
+
+
+
+*Example:*
+` "https://your-healthchecks-instance.com/ping/" `
+
+*Declared by:*
+ - [modules/options\.nix](../modules/options.nix)
+
+
+
+## services\.lego-monitoring\.alertChannels\.healthchecks\.pingingKeysSecretPath
+
+
+
+Path to a file containing the pinging keys in a ` slug:key ` format, one on each line (ex: ` lego-cpu:aaaaaaaaaaaaaaaaaaaaaa `)\.
+Specify ` default ` as the slug to use this key for check types that don’t have a key explicitly assigned to them\.
+
+If you are unsure of the exact slug a check will generate, it is recommended to try it out with the default key first, before
+assigning a specific one\.
+
+**Note**: checks will be auto-provisioned, but correct intervals and grace periods have to be configured manually from the web console,
+otherwise silent failures will not be recorded until after 1 day (the default healthchecks interval)\.
+
+
+
+*Type:*
+string
+
+
+
+*Default:*
+` "" `
+
+*Declared by:*
+ - [modules/options\.nix](../modules/options.nix)
+
+
+
+## services\.lego-monitoring\.alertChannels\.telegram\.enable
+
+
+
+Whether to enable Telegram notification channel\.
+
+
+
+*Type:*
+boolean
+
+
+
+*Default:*
+` false `
+
+
+
+*Example:*
+` true `
+
+*Declared by:*
+ - [modules/options\.nix](../modules/options.nix)
+
+
+
+## services\.lego-monitoring\.alertChannels\.telegram\.credsSecretPath
+
+
+
+Path to a file containing Telegram api_id, api_hash, and bot token, separated by the ` , ` character\.
+
+
+
+*Type:*
+string
+
+
+
+*Default:*
+` "" `
+
+*Declared by:*
+ - [modules/options\.nix](../modules/options.nix)
+
+
+
+## services\.lego-monitoring\.alertChannels\.telegram\.roomId
+
+
+
+ID of chat where to send alerts\.
+
+
+
+*Type:*
+signed integer
+
+
+
+*Default:*
+` 0 `
+
+*Declared by:*
+ - [modules/options\.nix](../modules/options.nix)
+
+
+
 ## services\.lego-monitoring\.checks\.cpu\.criticalPercentage
 
+
+
 CPU load percentage for a critical alert to be sent\. Null means never generate a CPU critical alert\.
 
 
@@ -608,35 +755,3 @@ one of “CRITICAL”, “ERROR”, “WARNING”, “INFO”, “DEBUG”
  - [modules/options\.nix](../modules/options.nix)
 
 
-
-## services\.lego-monitoring\.telegram\.credsSecretPath
-
-
-
-Path to a file containing Telegram api_id, api_hash, and bot token, separated by the ` , ` character\.
-
-
-
-*Type:*
-string
-
-*Declared by:*
- - [modules/options\.nix](../modules/options.nix)
-
-
-
-## services\.lego-monitoring\.telegram\.roomId
-
-
-
-ID of chat where to send alerts\.
-
-
-
-*Type:*
-signed integer
-
-*Declared by:*
- - [modules/options\.nix](../modules/options.nix)
-
-