# Change size live where possible

`POST /v1/sandboxes/{sandbox}/resize`

**In this build:** Works on the simulator or a real VM.

**Scope:** `sandbox.update`

**CLI:** `harebox resize`

## Request: `ResizeRequest`

| Field | Type | Notes |
|---|---|---|
| `size` (required) | `Size` |  |
| `allow_restart` | `boolean` | Allow a restart when the change cannot be applied live. |

## Response: 202

`Operation`

| Field | Type | Notes |
|---|---|---|
| `id` (required) | `string` |  |
| `kind` (required) | `string` |  |
| `status` (required) | `string` | One of: `pending`, `running`, `succeeded`, `failed`, `cancelled` |
| `target` | `string or null` |  |
| `percent` | `number or null` |  |
| `error` | `object` |  |
| `created_at` | `string` |  |
| `updated_at` | `string` |  |

Errors follow [one format](../errors.html).