# JavaScript Service API reference

The Web Runtime environment provides the following JavaScript Service APIs for accessing S60 Platform Services:

- AppManager Service API

- Calendar Service API

- Contacts Service API

- Landmarks Service API

- Location Service API

- Logging Service API

- Media Management Service API

- Messaging Service API

- Sensor Service API

- SystemInfo Service API (WRT 1.1)

- SystemInfo Service API (WRT 1.0)

For information about the error codes returned by the Service API methods, see section Service API error codes.