JSON received from the API:

{
    "type": "https:\/\/tools.ietf.org\/html\/rfc9110#section-15.5.2",
    "title": "Unauthorized",
    "status": 401,
    "traceId": "00-8b3a2f110f636e072a69e3e84833cb0d-d3da5d69e212c489-00"
}

API-Server does answer, but with an error-message:
401 Unauthorized (RFC 7235) – Check what the API expects!
start:
level2:
id: , type: