# Create many sandboxes in one call `POST /v1/sandboxes/batch` **In this build:** Works on the simulator or a real VM. **Scope:** `sandbox.create` **CLI:** `harebox new --count` Send an `Idempotency-Key` header. A retry with the same key never repeats the action. ## Request: `CreateSandboxBatchRequest` `CreateSandboxBatchRequest` ## 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).