It looks like the circuits endpoint needs authorization now

[j4ys0n]

Failed to set up: Client error '412 Precondition Failed' for url 'http://span.local/api/v1/circuits' For more information check: https://httpstatuses.com/412

GET http://span.local/api/v1/circuits

response

{
    "detail": "Access to protected HTTP endpoints require an API token passed as a HTTP Bearer header."
}

[tylas13]

Go directly to the Span IP web page, and to log in you have to then open and close the door 3 times. This is their preliminary security setup.