# Server API

Everything documented for Server API is listed below.

Everything documented for Server API is listed below.

## In this section

::::cards{cols="2"}
:::card{title="Police" href="/koja-lib/api-reference/server-api/police" icon="shield"}
Functions for checking how many police officers are online.
:::
:::card{title="Callbacks" href="/koja-lib/api-reference/server-api/callbacks" icon="radio"}
The callback system allows server scripts to handle requests from clients and vice versa.
:::
:::card{title="Licenses" href="/koja-lib/api-reference/server-api/licenses" icon="lock"}
Check whether a player holds a specific driving or skill license.
:::
:::card{title="Money" href="/koja-lib/api-reference/server-api/money" icon="coins"}
Functions for reading and modifying a player's money on the server.
:::
:::card{title="Inventory" href="/koja-lib/api-reference/server-api/inventory" icon="package"}
Server-side inventory functions.
:::
:::card{title="Notifications" href="/koja-lib/api-reference/server-api/notifications" icon="bell"}
Send notifications to a player from the server side.
:::
:::card{title="Player" href="/koja-lib/api-reference/server-api/player" icon="users"}
Functions for reading player information on the server.
:::
:::card{title="Sounds" href="/koja-lib/api-reference/server-api/sounds" icon="volume"}
Trigger sounds for players from server scripts.
:::
:::card{title="Vehicle" href="/koja-lib/api-reference/server-api/vehicle" icon="car"}
Server-side vehicle utilities for plate generation and garage saving.
:::
::::