# sandbox_rate_limited

HTTP 429 · Sandboxes (SPEC §3.4)

Too many sandboxes from this address. Wait an hour, or sign up to create projects.

## 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).

## The response

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

```json
{
  "error": {
    "code": "sandbox_rate_limited",
    "message": "Too many sandboxes from this address. Wait an hour, or sign up to create projects.",
    "docsUrl": "https://flatstack.dev/docs/errors/sandbox_rate_limited"
  }
}
```

[All error codes](/docs/errors)