I'm new in SAP NW PI (I used to be an ABAP developer a long time ago !!) and would like to know where you can find the list of standard Web Services supported by SAP XI.
My aim is to check that SAP provides standard WebServices to retrieve data in SAP back-end related to HR (personal data, payroll data with the input of personal number).
And if no standard Web service exists, could you please tell me the pre-requisites to create a specific Web service ?
Thanks.