3024137 - SAP Successfactors Bizx / unapproved non-API URL(frontend login url) being used to connect to SAP SuccessFactors SFAPI is incorrect

When running (i)Standard Successfactors Package Integrations via CPI, PI, Boomi or (ii) Third Party middleware/client or (iii)Direct Manual Query to connect to SAP Successfactors SFAPI/Soap API, The middleware/client receives below error response message along with HTTP error status codes/response codes 404 / 401 / 500

Error In PI (XI/PO) or XPI Trace result.html : 

- Cause: com.sap.engine.interfaces.messaging.api.exception.MessagingException: SOAP: Response message contains an errorXIAdapter/PARSING/ADAPTER.SOAP_EXCEPTION - soap fault: An internal error occurred , HTTP Status Code 404
- Invalid SFAPI Session! or INVALID_SESSION , HTTP Status Code 500

Error In CPI/HCI/SCPI : 

- org.apache.cxf.interceptor.Fault: Could not send Message., cause: org.apache.cxf.transport.http.HTTPException: HTTP response '404: Not Found' when communicating with https://<BIZX_ENPDPOINT_URL>sfapi/v1/soap

Error in Boomi : (only when using HTTP Connector and not the Standard Sucessfactors Boomi Connector)

- SEVERE Connector New HTTP Client Connection: http Connector; New HTTP Client Connector Operation Error message received from Http Server, Code 404: Not Found
- SEVERE Connector New HTTP Client Connection: http Connector; New HTTP Client Connector Operation Failed to execute GET operation.
com.boomi.connector.ConnectorException: Error message received from Http Server, Code 404: Not Found

Error in Direct Query/Browser Query/3rd Party:

- {"fault":{"faultstring":"Unable to identify proxy for host: <https://<BIZX_ENPDPOINT_URL_See full list in KBA -2412791> and url: \/sfapi\/v1\/soap","detail":{"errorcode":"messaging.adaptors.http.flow.ApplicationNotFound"}}}

Status Code : 404

SAP Successfactors HCM Suite

• Boomi (via HTTP Connector)
• CPI
• PI
• Direct Query from Client

AddOn Integration, RH_SFI_SYNCHRONIZE_EMPL_DATA. Http Server, Code 404: Not Found, INVALID_SESSION, Invalid SFAPI Session! HTTP 500, HTTP 401 invalid URL , KBA , LOD-SF-INT-API , API & Adhoc API Framework , LOD-SF-INT , Integrations , LOD-SF-INT-ODATA , OData API Framework , Problem