curl --request POST \
  --url http://localhost/api/v3/transactions/batch.json \
  --header 'Content-Type: application/json' \
  --data '
{
  "transactions": [
    {
      "total": 123,
      "transacted_at": "2023-11-07T05:31:56Z",
      "timezone": "<string>",
      "items": [
        {
          "name": "<string>",
          "price_current": 123,
          "price_sell": 123,
          "external_id": "<string>",
          "price_original": 123,
          "price_margin": 123,
          "discounts": [
            "<string>"
          ],
          "sku": "<string>",
          "department": "<string>",
          "meta": [
            "<string>"
          ],
          "variant_external_id": "<string>",
          "product_variant_sku": "<string>",
          "product_variant_id": 123,
          "product_variant": {
            "product_id": "<string>",
            "sku": "<string>",
            "title": "<string>",
            "category": "<string>",
            "subcategory": "<string>",
            "brand": "<string>",
            "price": 123
          }
        }
      ],
      "id": 123,
      "external_id": "<string>",
      "profile_id": "<string>",
      "profile_id_handle": "<string>",
      "redemption_id": 123,
      "location_id": "<string>",
      "currency": "<string>",
      "total_original": 123,
      "rounding": 123,
      "tender": "<string>",
      "is_void": true,
      "margin": 123,
      "meta": [
        "<string>"
      ],
      "tags": [
        "<string>"
      ],
      "systems": [
        "<string>"
      ],
      "staff_id": "<string>",
      "payments": [
        "<string>"
      ],
      "receipt_is_email": true,
      "receipt_ref": "<string>",
      "linked_receipt_ref": "<string>",
      "receipt_email": "jsmith@example.com",
      "type": "<string>",
      "status": "<string>",
      "order_number": "<string>",
      "order_id": 123,
      "external_order_id": "<string>",
      "need_action": true,
      "custom_fields": [
        {
          "namespace": "<string>",
          "handle": "<string>",
          "type": "string",
          "value": "<string>"
        }
      ],
      "currency_value": {
        "from": "<string>",
        "to": "<string>",
        "rate": 123
      }
    }
  ],
  "items": [
    {
      "quantity": 123
    }
  ],
  "import_job_id": "<string>"
}
'

{
  "message": "<string>",
  "batch_id": "<string>"
}