chat.yakka.getRealtimeTicket

{
  "$type": "com.atproto.lexicon.schema",
  "defs": {
    "main": {
      "description": "Issue a short-lived, single-use ticket for opening the realtime socket (ADR 0034 §3).\n\nA browser cannot set headers on a WebSocket, and a cookie is the wrong instrument across origins — so the ticket goes in the socket URL, which is why it must be worth little: it authenticates one upgrade, once, within seconds. The socket is the appview's primary surface (ADR 0011), so this is not an afterthought but the only authenticated path for most of what a client does.",
      "output": {
        "encoding": "application/json",
        "schema": {
          "ref": "#output",
          "type": "ref"
        }
      },
      "type": "procedure"
    },
    "output": {
      "properties": {
        "expiresAt": {
          "format": "datetime",
          "type": "string"
        },
        "socket": {
          "description": "The URL to open, ticket already appended. Handed over whole so a client is never assembling an authenticated URL itself.",
          "format": "uri",
          "type": "string"
        },
        "ticket": {
          "type": "string"
        }
      },
      "required": [
        "ticket",
        "expiresAt",
        "socket"
      ],
      "type": "object"
    }
  },
  "id": "chat.yakka.getRealtimeTicket",
  "lexicon": 1
}