Example use case
A user of your application wants to listen to public value services from a specific district.
First, your application can request from the API which districts to choose from. The endpoint /districts is intended for this.
For example, the user might see:

The user now has the option of selecting a district.
Your application can then query the list of matching services using the /services?district={DESIRED_DISTRICT} endpoint.
For example, the list of services in your application could look like this:

Services by postcode or coordinates
Services can also be requested based on postcode or coordinates. See endpoints.