curl --request POST \
  --url https://api.dev.uselevers.com/api-service/v1/invoice \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "number": "<string>",
  "date": "2023-12-25",
  "dueDate": "2023-12-25",
  "total": 123,
  "contactUuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "reference": "<string>",
  "notes": "<string>",
  "description": "<string>",
  "remindersEnabled": true,
  "purchaseOrder": "<string>",
  "customFields": [
    "<unknown>"
  ],
  "extPlatformId": "<string>"
}
'

{
  "number": "<string>",
  "date": "2023-12-25",
  "dueDate": "2023-12-25",
  "total": 123,
  "uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "status": "UNPAID",
  "contact": {
    "uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "name": "<string>",
    "firstName": "<string>",
    "lastName": "<string>",
    "phoneNumber": "<string>",
    "email": "<string>"
  },
  "createdAt": "2023-12-25",
  "reference": "<string>",
  "notes": "<string>",
  "description": "<string>",
  "totalPaid": 123,
  "outstandingAmount": 123,
  "remindersEnabled": true,
  "purchaseOrder": "<string>",
  "paidDate": "2023-12-25",
  "preDueEmails": 123,
  "postDueEmails": 123,
  "level": "UPCOMING",
  "risk": "LOW",
  "attachment": true,
  "paymentInstructions": {
    "bankName": "<string>",
    "iban": "<string>",
    "accountNumber": "<string>",
    "bankCompanyName": "<string>"
  },
  "currencyCode": "<string>",
  "customFields": [
    "<unknown>"
  ],
  "extPlatformId": "<string>"
}