# checkout_required

HTTP 403 · Requests and sign-in (SPEC §15.3, §20.1)

Choose a plan and finish checkout to use this.

## Does retrying help?

Not until something else changes. The message says what: a plan, an add-on, a setting or a role. The same request then works.

## The response

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

```json
{
  "error": {
    "code": "checkout_required",
    "message": "Choose a plan and finish checkout to use this.",
    "docsUrl": "https://flatstack.dev/docs/errors/checkout_required"
  }
}
```

[All error codes](/docs/errors)