How do I generate a prorated invoice for a subscription with a custom initial term period?

[BigShot]

Hello! I want ot generate the invoice with my subscription API, but the code doesn't work. Why?

{
  "subscribes": [
    {
      "Account": {
        "AccountNumber": "Main123456789",
        "AllowInvoiceEdit": true,
        "AutoPay": false,
        "Batch": "Batch1",
        "BillCycleDay": 1,
        "CrmId": "SFDC-1230661730921",
        "Currency": "USD",
        "CustomerServiceRepName": "Jill Smith",
        "Name": "Bella Rodoni",
        "PaymentTerm": "Due Upon Receipt",
        "PurchaseOrderNumber": "PO-1230661730921",
        "SalesRepName": "Tom Chen",
        "Status": "Draft"
      },
      "BillToContact": {
        "Address1": "52 Main Street",
        "City": "Anaheim",
        "Country": "United States",
        "FirstName": "Bella",
        "LastName": "Rodoni",
        "PostalCode": "92808",
        "State": "California",
        "WorkEmail": "bella@rodoni.com",
        "WorkPhone": "4152225151"
      },
      "PaymentMethod": {
        "CreditCardAddress1": "52 Main Street",
        "CreditCardCity": "Anaheim",
        "CreditCardCountry": "United States",
        "CreditCardExpirationMonth": 1,
        "CreditCardExpirationYear": "2019",
        "CreditCardHolderName": "Bella Rodoni",
        "CreditCardNumber": "4959911773775979",
        "CreditCardPostalCode": "92808",
        "CreditCardState": "California",
        "CreditCardType": "Visa",
        "Type": "CreditCard"
      },
      "PreviewOptions": {},
      "SubscribeOptions": {
        "GenerateInvoice": true,
        "SubscribeInvoiceProcessingOptions": {
          "InvoiceTargetDate": "2018-07-26",
          "InvoiceProcessingScope": "Subscription",
          "InvoiceDate": "2018-07-26"
        }
      },
      "SubscriptionData": {
        "Subscription": {
          "AutoRenew": false,
          "ContractAcceptanceDate": "2018-07-26",
          "ContractEffectiveDate": "2018-07-26",
          "InitialTerm": 12,
          "Name": "MainStreetOfficesLandscape",
          "RenewalTerm": 12,
          "ServiceActivationDate": "2018-07-26",
          "TermStartDate": "2018-07-26",
          "TermType": "TERMED",
          "Version": "1"
        },
        "RatePlanData": [ { "RatePlan": { "ProductRatePlanId": "2c92c0f864cfe6c00164d61350fc6946" } } ]
      }
    }
  ]
}

[ehavens]

Morning @BigShot, There's another board for questions about the API.  https://community.zuora.com/t5/API/bd-p/API  You might get a faster answer after posting there.  I don't know much about APIs but I thought the account needed to be Active before creating a new subscription.

[BigShot]

Thanks Ehavents, I have already found the answer.