# realtime_capacity

HTTP 503 · Usage limits (SPEC §3.5)

This account reached its realtime connection limit. Close idle connections or upgrade.

## Does retrying help?

Yes, after waiting. Send the same request again once the wait in the message has passed (the `Retry-After` header says how long, when there is one).

## Already on the largest plan?

Studio is the largest plan. On Studio, use the message's other options, or email support@flatstack.dev and say what you need more of.

## The response

Every Flatstack error has this shape. `details`, when present, says more about this case.

```json
{
  "error": {
    "code": "realtime_capacity",
    "message": "This account reached its realtime connection limit. Close idle connections or upgrade.",
    "docsUrl": "https://flatstack.dev/docs/errors/realtime_capacity"
  }
}
```

[All error codes](/docs/errors)