Query Regarding creation of org_contact via PL/SQL REST API

@xmlns"

Hi All,

I am trying to create org_contact via PL/SQL exposed REST API's . There are 2 ways from UI for creating an org_contact via customer account and via customer site user.

Tried giving similar values to payload for REST API but it is giving return status as E .

Mentioning Payload for the same :

{

    "CREATE_ORG_CONTACT_Input": {

        "@xmlns": "http://xmlns.oracle.com/apps/hz/rest/party/create_org_contact/",

        "RESTHeader": {

            "@xmlns": "http://xmlns.oracle.com/apps/fnd/rest/header",

            "Responsibility": "ISL_RECEIVABLES_MANAGER",

            "RespApplication": "AR",

            "SecurityGroup": "STANDARD",

            "NLSLanguage": "AMERICAN",

            "Org_Id": 82

        },

        "InputParameters": {

            "P_API_VERSION": 1.0,

            "P_INIT_MSG_LIST"