curl --location --request GET '/billing' \
--header 'Authorization: <api-key>'[
{
"session": {
"licenseplate": "string",
"started": "string",
"stopped": "string",
"hours": 0,
"days": 0
},
"parking": {
"name": "string",
"location": "string",
"tariff": 0,
"daytarrif": 0
},
"amount": 0,
"thash": "string",
"payed": 0,
"balance": 0
}
]