Learn more about Slskd.

Generate an API key for slskd with openssl rand -base64 48.
Add it to your path/to/config/slskd.yml in web > authentication > api_keys:

homepage_widget:
  key: <generated key>
  role: readonly
  cidr: <homepage subnet>

Allowed fields: ["slskStatus", "updateStatus", "downloads", "uploads", "sharedFiles"] (maximum of 4).

widget:
  type: slskd
  url: http[s]://slskd.host.or.ip[:5030]
  key: generatedapikey