curl --request POST \
  --url https://api.getsly.ai/v1/v1/acp/checkouts/batch \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "checkouts": [
    {
      "merchant_id": "<string>",
      "items": [
        {
          "sku": "<string>",
          "quantity": 123,
          "unit_price": "<string>",
          "currency": "<string>"
        }
      ],
      "payment_method": "card",
      "metadata": {}
    }
  ],
  "idempotency_key": "<string>"
}
'

{
  "data": [
    {
      "id": "<string>",
      "merchant_id": "<string>",
      "items": [
        {
          "sku": "<string>",
          "quantity": 123,
          "unit_price": "<string>",
          "currency": "<string>"
        }
      ],
      "total": "<string>",
      "currency": "<string>",
      "expires_at": "2023-11-07T05:31:56Z",
      "created_at": "2023-11-07T05:31:56Z",
      "shipping_address": {
        "line1": "<string>",
        "city": "<string>",
        "postal_code": "<string>",
        "country": "<string>",
        "line2": "<string>",
        "state": "<string>"
      },
      "payment_method": "card",
      "client_secret": "<string>",
      "metadata": {}
    }
  ]
}