curl --request PUT \
  --url https://api.virtuoussoftware.com/api/Project/{projectId}/Balance \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "beginningBalance": "<double>",
  "currentBalance": "<double>"
}
'

{
  "id": "<integer>",
  "name": "<string>",
  "projectCode": "<string>",
  "externalAccountingCode": "<string>",
  "onlineDisplayName": "<string>",
  "description": "<string>",
  "photoUrl": "<string>",
  "parentId": "<integer>",
  "parentName": "<string>",
  "isSubProject": "<boolean>",
  "inventoryStatus": "<string>",
  "type": "<string>",
  "location": "<string>",
  "isRestrictedToGiftSpecifications": "<boolean>",
  "isLimitedToFinancialNeed": "<boolean>",
  "isPublic": "<boolean>",
  "isActive": "<boolean>",
  "isAvailableOnline": "<boolean>",
  "isTaxDeductible": "<boolean>",
  "treatAsAccountsPayable": "<boolean>",
  "beginningBalance": "<double>",
  "currentBalance": "<double>",
  "financialNeedType": "<string>",
  "financialNeedFrequency": "<string>",
  "financialNeedAmount": "<double>",
  "startDate": "<dateTime>",
  "endDate": "<dateTime>",
  "durationType": "<string>",
  "lifeToDateGiving": "<double>",
  "lifeToDateGiftCount": "<integer>",
  "lifeToDateGiversCount": "<integer>",
  "lifeToDateExpenseTotal": "<double>",
  "calendarYearToDateGiving": "<double>",
  "calendarYearToDateGiftCount": "<integer>",
  "calendarYearToDateGiversCount": "<integer>",
  "calendarYearToDateExpenseTotal": "<double>",
  "createDateTimeUtc": "<dateTime>",
  "createdByUser": "<string>",
  "modifiedDateTimeUtc": "<dateTime>",
  "modifiedByUser": "<string>",
  "giftSpecifications": [
    {
      "amount": "<double>",
      "frequency": "<string>"
    },
    {
      "amount": "<double>",
      "frequency": "<string>"
    }
  ],
  "customFields": "<object>"
}