POST api/UBGetPaymentsToUpdate

{
  "ParameterRequest": {
    "PaymentPeriodCode": "sample string 1",
    "OverrideFlag": "sample string 2",
    "PaymentDueDate": "2026-05-28T10:50:02.8000677-07:00"
  },
  "UBAccountInfo": [
    {
      "BOOK_NUM": "sample string 1",
      "ACCT_NUM": "sample string 2",
      "SEQ_NUM": "sample string 3"
    },
    {
      "BOOK_NUM": "sample string 1",
      "ACCT_NUM": "sample string 2",
      "SEQ_NUM": "sample string 3"
    },
    {
      "BOOK_NUM": "sample string 1",
      "ACCT_NUM": "sample string 2",
      "SEQ_NUM": "sample string 3"
    }
  ]
}

{
  "UBPaymentsToUpload": {
    "TOTAL_ACCOUNTS": 1,
    "TOTAL_PAYMENTS_LOADED": 2.0,
    "TOTAL_BILL_PERIOD_BALANCE": 3.0,
    "PAYMENTS": [
      {
        "CUSTOMER_NAME": "sample string 1",
        "ACCOUNT_NUM": "sample string 2",
        "PAYMENT_PERIOD_CODE": "sample string 3",
        "BILLING_AMT_DUE": 4.0,
        "BANK_PAYMENT": 5.0,
        "OVERRIDE_INDICATOR": "sample string 6",
        "EPP_STATUS": "sample string 7",
        "BILLING_PLAN": "sample string 8",
        "AACOUNT_STATUS": "sample string 9"
      },
      {
        "CUSTOMER_NAME": "sample string 1",
        "ACCOUNT_NUM": "sample string 2",
        "PAYMENT_PERIOD_CODE": "sample string 3",
        "BILLING_AMT_DUE": 4.0,
        "BANK_PAYMENT": 5.0,
        "OVERRIDE_INDICATOR": "sample string 6",
        "EPP_STATUS": "sample string 7",
        "BILLING_PLAN": "sample string 8",
        "AACOUNT_STATUS": "sample string 9"
      },
      {
        "CUSTOMER_NAME": "sample string 1",
        "ACCOUNT_NUM": "sample string 2",
        "PAYMENT_PERIOD_CODE": "sample string 3",
        "BILLING_AMT_DUE": 4.0,
        "BANK_PAYMENT": 5.0,
        "OVERRIDE_INDICATOR": "sample string 6",
        "EPP_STATUS": "sample string 7",
        "BILLING_PLAN": "sample string 8",
        "AACOUNT_STATUS": "sample string 9"
      }
    ]
  }
}