A Multiplayer API error, sent with HTTP 503. Status: the Multiplayer API is in private alpha; this code is part of its published contract.
When
The server's pool of live rooms is full, or the Free and sandbox share of it is used up. The answer carries retryAfterSec.
What to do
Try again in a minute, use a turn-based room type, or move to a paid plan.
The answer
Every error is a JSON body with a stable error code. Clients act on the codes they know and treat any other code as a failure of its HTTP status, and keep fields they do not know.
{
"error": "realtime_capacity_limited",
"detail": "A sentence that is safe to show.",
"next": "Try again in a minute, use a turn-based room type, or move to a paid plan.",
"docsUrl": "https://lobbylab.gg/docs/errors/realtime_capacity_limited",
"retryAfterSec": 60
}This code always carries retryAfterSec.
See also: every error code, the API reference and the docs.