website/.well-known/host-meta.json

{
  "links": [
    {
      "rel": "urn:xmpp:alt-connections:xbosh",
      "href": "https://xmpp.kosmos.org:5443/bosh"
    },
    {
      "rel": "urn:xmpp:alt-connections:websocket",
      "href": "wss://xmpp.kosmos.org:5443/ws"
    }
  ]
}