# background: red # optional color for card to set color directly without custom stylesheet
```
- If you choose to fetch message information from an endpoint, the output format should be:
++
+View [Custom Services](customservices.md) for details about all available custom services (like PiHole) and how to configure them.
+
+ If you choose to fetch message information from an endpoint, the output format should be as follows (or you can [custom map fields as shown in tips-and-tricks](./tips-and-tricks.md#mapping-fields)):
```json
{
type: "PiHole"
```
- If for some reason your city can't be found by entering the name in the `location` property, you could also try to configure the OWM city ID in the `locationId` property. To retrieve your specific City ID, go to the [OWM website](https://openweathermap.org), search for your city and retrieve the ID from the URL (for example, the City ID of Amsterdam is 2759794).
++
+## OpenWeatherMap
+
+Using the OpenWeatherMap service you can display weather information about a given location.
+
+The following configuration is available for the OpenWeatherMap service
+
+```
+items:
+ - name: "Weather"
+ location: "Amsterdam" # your location.
+ locationId: "2759794" # OpenWeatherMap city ID.
+ apiKey: "<---insert-api-key-here--->" # insert your own API key here. Request one from https://openweathermap.org/api.
+ units: "metric" # units to display temperature. Can be one of: metric, imperial, kelvin. Defaults to kelvin.
+ background: "square" # choose which type of background you want behind the image. Can be one of: square, cicle, none. Defaults to none.
+ type: "OpenWeather"
+```
+
+**Remarks:**
++If for some reason your city can't be found by entering the name in the `location` property, you could also try to configure the OWM city ID in the `locationId` property. To retrieve your specific City ID, go to the [OWM website](https://openweathermap.org), search for your city and retrieve the ID from the URL (for example, the City ID of Amsterdam is 2759794).
++
++
+ ## Medusa
+
+ This service displays News (grey), Warning (orange) or Error (red) notifications bubbles from the Medusa application.
+ Two lines are needed in the config.yml :
+ ```
+ type: "Medusa"
+ apikey: "01234deb70424befb1f4ef6a23456789"
+ ```
+ The url must be the root url of Medusa application.
+ The Medusa API key can be found in General configuration > Interface. It is needed to access Medusa API.
+
+
+ ## Sonarr/Radarr
+
+ This service displays Activity (blue), Warning (orange) or Error (red) notifications bubbles from the Radarr/Sonarr application.
+ Two lines are needed in the config.yml :
+ ```
+ type: "Radarr" or "Sonarr"
+ apikey: "01234deb70424befb1f4ef6a23456789"
+ ```
+ The url must be the root url of Radarr/Sonarr application.
+ The Radarr/Sonarr API key can be found in Settings > General. It is needed to access the API.
+
+
+ ## PaperlessNG
+
+ For Paperless you need an API-Key which you have to store at the item in the field `apikey`.
+
+
+ ## Ping
+
+ For Ping you need an API-Key which you have to store at the item in the field `apikey`.