Multipiece Shipment

curl --location 'https://api-sandbox.sendpro360.pitneybowes.com/shipping/api/v1/multipiece/shipments' \
--header 'Content-Type: application/json' \
--header 'X-PB-Developer-Partner-ID: <DeveloperPartnerId>' \
--header 'Authorization: Bearer XXXX' \
--data '{
    "size": "DOC_4X6",
    "type": "SHIPPING_LABEL",
    "fromAddress": {
      "addressLine1": "27 Waterview Dr",
      "addressLine2": "near abc street",
      "addressLine3": "near xyz street",
      "cityTown": "Stamford",
      "countryCode": "US",
      "name": "Paul Wright",
      "phone": "203-555-1213",
      "postalCode": "06905",
      "stateProvince": "CT"
    },
    "carrierAccountId": "xxxx",
    "serviceId": "NDA",
    "shipmentOptions": {
      "printCustomMessage": "custom message"
    },
    "metadata": [
      {
        "name": "costAccountName",
        "value": "cost account 123"
      }
    ],
    "multiPieceParcels": [
      {
        "parcelType": "PKG",
        "parcel": {
          "weight": 10,
          "weightUnit": "OZ",
          "width": 10,
          "length": 10,
          "height": 10,
          "dimUnit": "IN"
        }
      },
      {
        "parcelType": "PKG",
        "parcel": {
          "weight": 8,
          "weightUnit": "OZ",
          "width": 8,
          "length": 8,
          "height": 8,
          "dimUnit": "IN"
        }
      }
    ],
    "toAddress": {
      "addressLine1": "27 Watervw Dr",
      "addressLine2": "near abc street",
      "addressLine3": "near xyz street",
      "cityTown": "Stamford",
      "countryCode": "US",
      "name": "Paul Wright",
      "phone": "203-555-1213",
      "postalCode": "06905",
      "stateProvince": "CT"
    }
  }'