Unable to create invoice using PL/SQL REST API

Hi All,

Using procedure call, I am able to create invoice successfully . I see new record gettign created. But same does not work's using RESt API. I am using below payload.

In Response i see status as 's' but X_CUSTOMER_TRX_ID is blank . Can some one please help me to understand what is wrong in below payload. I passed same values that i [assed in Procedure call.

{

    "CREATE_SINGLE_INVOICE_Input": {

        "RESTHeader": {

            "Responsibility": "ISL_RECEIVABLES_MANAGER",

            "RespApplication": "AR",

            "SecurityGroup": "STANDARD",

            "NLSLanguage": "AMERICAN",

            "Org_Id": 82

        },

        "InputParameters": {

            "P_API_VERSION": "1.0",

            "P_INIT_MSG_LIST": "T",

            "P_COMMIT": "T",

            "P_RETURN_VALUES"