Get current user

This endpoint is useful during setup to verify credentials and discover the site_code values available to the authenticated identity.

Response

{
  "username": "john.doe@photocollect.io",
  "fullname": "John Doe",
  "userrole": ["pos"],
  "sites": {
    "test": "Test Site",
    "newyork": "New York"
  },
  "default_site": "test",
  "default_invitation_locale": "de_DE",
  "default_interface_locale": "en_US"
}

Invalid credentials return HTTP 401 with ACCESS_DENIED.