+
+## PaperlessNG
+
+This service displays total number of documents stored. Two lines are required:
+
+```yaml
+ type: "PaperlessNG"
+ apikey: "0123456789abcdef123456789abcdef"
+```
+
+API key can be generated in Settings > Administration > Auth Tokens
+
+## Ping
+
+For Ping you need to set the type to Ping and provide a url.
+
+```yaml
+- name: "Awesome app"
+ type: Ping
+ logo: "assets/tools/sample.png"
+ subtitle: "Bookmark example"
+ tag: "app"
+ url: "https://www.reddit.com/r/selfhosted/"
+```
+
+## Prometheus
+
+For Prometheus you need to set the type to Prometheus and provide a url.
+
+```yaml
+- name: "Prometheus"
+ type: Prometheus
+ logo: "assets/tools/sample.png"
+ url: "http://192.168.0.151/"
+ # subtitle: "Monitor data server"
+```
+
+## Portainer
+
+This service displays info about the total number of containers managed by your Portainer instance.
+In order to use it, you must be using Portainer version 1.11 or later. Generate an access token from the UI and pass
+it to the apikey field.
+
+See https://docs.portainer.io/v/ce-2.11/user/account-settings#access-tokens
+
+```yaml
+- name: "Portainer"
+ logo: "assets/tools/sample.png"
+ url: "http://192.168.0.151/"
+ type: "Portainer"
+ apikey: "MY-SUPER-SECRET-API-KEY"