API - Cannot update InternalNotes field

[delements]

Hello ShipStation,

I am trying to update an order trough the API, it seems to work however only partially.

For example, I cannot update the `internalNotes` nor the `customerNotes` fields. Whatever I sent to the API during the request the field stays the same.

I am using 

/orders/createorder

Example request:

{

"orderNumber": "3202",

"orderKey": "4444444",

"orderDate": "2023-07-30T09:08:46.0000000",

"createDate": "2023-07-31T07:38:11.9530000",

"modifyDate": "2023-08-08T13:05:34.0870000",

"paymentDate": "2023-07-30T09:08:46.0000000",

"shipByDate": null,

"orderStatus": "awaiting_shipment",

"customerId": 123,

"customerUsername": "123",

"customerEmail": "xxx@xxx.com,

"billTo": {

"name": "John Doe",

"company": null,

"street1": null,

"street2": null,

"street3": null,

"city": null,

"state": null,

"postalCode": null,

"country": null,

"phone": null,

"residential": null,

"addressVerified": null

},

"shipTo": {

"name": "John doe",

"company": null,

"street1": "111 MADRID CIR",

"street2": "",

"street3": null,

"city": "NAPLES",

"state": "FL",

"postalCode": "34104",

"country": "US",

"phone": null,

"residential": true,

"addressVerified": "Address validated successfully"

},

"items": [

{

"orderItemId": 222,

"lineItemKey": "111",

"sku": "",

"name": "Product 1",

"imageUrl": "some_url",

"weight": {

"value": 0.00,

"units": "grams",

"WeightUnits": 2

},

"quantity": 1,

"unitPrice": 0.00,

"taxAmount": 0.00,

"shippingAmount": 0.00,

"warehouseLocation": null,

"options": [],

"productId": null,

"fulfillmentSku": null,

"adjustment": false,

"upc": "",

"createDate": "2023-07-31T07:38:11.92",

"modifyDate": "2023-07-31T07:38:11.92"

},

{

"orderItemId": 111,

"lineItemKey": "x",

"sku": "",

"name": "x",

"imageUrl": null,

"weight": null,

"quantity": 1,

"unitPrice": -106.92,

"taxAmount": null,

"shippingAmount": null,

"warehouseLocation": null,

"options": [],

"productId": null,

"fulfillmentSku": null,

"adjustment": true,

"upc": null,

"createDate": "2023-07-31T07:38:11.92",

"modifyDate": "2023-07-31T07:38:11.92"

},

{

"orderItemId": 222,

"lineItemKey": "x",

"sku": "",

"name": "x",

"imageUrl": null,

"weight": null,

"quantity": 1,

"unitPrice": -9.00,

"taxAmount": null,

"shippingAmount": null,

"warehouseLocation": null,

"options": [],

"productId": null,

"fulfillmentSku": null,

"adjustment": true,

"upc": null,

"createDate": "2023-07-31T07:38:11.92",

"modifyDate": "2023-07-31T07:38:11.92"

},

{

"orderItemId": 333,

"lineItemKey": "333",

"sku": "product-2",

"name": "Product 2",

"imageUrl": "some_url2",

"weight": {

"value": 0.00,

"units": "grams",

"WeightUnits": 2

},

"quantity": 1,

"unitPrice": 108.00,

"taxAmount": null,

"shippingAmount": null,

"warehouseLocation": null,

"options": [],

"productId": 123,

"fulfillmentSku": null,

"adjustment": false,

"upc": "",

"createDate": "2023-08-08T11:52:34.363",

"modifyDate": "2023-08-08T11:52:34.363"

}

],

"orderTotal": 1.08,

"amountPaid": 1.08,

"taxAmount": 0.00,

"shippingAmount": 9.00,

"customerNotes": "Note from buyer 12",

"internalNotes": "test from API",

"gift": false,

"giftMessage": "Gift note 4",

"paymentMethod": "shopify_payments",

"requestedShippingService": "Economy",

"carrierCode": "ups_walleted",

"serviceCode": "ups_ground",

"packageCode": "package",

"confirmation": "none",

"shipDate": null,

"holdUntilDate": null,

"weight": {

"value": 64.00,

"units": "ounces",

"WeightUnits": 1

},

"dimensions": {

"units": "inches",

"length": 9.00,

"width": 6.00,

"height": 4.00

},

"insuranceOptions": {

"provider": null,

"insureShipment": false,

"insuredValue": 0.0

},

"internationalOptions": {

"contents": "merchandise",

"customsItems": [

{

"customsItemId": 37019998,

"description": "",

"quantity": 0,

"value": 0.00,

"harmonizedTariffCode": "",

"countryOfOrigin": "US"

}

],

"nonDelivery": "return_to_sender"

},

"advancedOptions": {

"warehouseId": 123,

"nonMachinable": false,

"saturdayDelivery": false,

"containsAlcohol": false,

"mergedOrSplit": true,

"mergedIds": [],

"parentId": 123,

"storeId": 123,

"customField1": "Custom Field 222",

"customField2": "Custom field 333",

"customField3": "Custom field 6",

"source": "shopify",

"billToParty": "my_other_account",

"billToAccount": null,

"billToPostalCode": null,

"billToCountryCode": null,

"billToMyOtherAccount": 123

},

"tagIds": null,

"userId": null,

"externallyFulfilled": false,

"externallyFulfilledBy": null,

"externallyFulfilledById": null,

"externallyFulfilledByName": null,

"labelMessages": null

}

Sending the same requests updates Custom Field 1/Custom Field 2 and Custom Field 3 however it does not update the InternalNotes field.

In the following example I am sending "internalNotes":"Test From API" but getting back 

"internalNotes": "Hello DE" -> which was the original internalnotes I was trying to change.

Any help would be appreciated!