Symptom
You want to create a Project Invoice Request through Web Service (WS) but you cannot find any WS for this purpose.
Environment
SAP Business ByDesign
Reproducing the Issue
Go to Work Center Application and User Management
Select the View Service Explorer
From here, no WS seems to be available for the creation of Project Invoice Request
Cause
There is currently no standard WS for the creation of Project Invoice Request in Business ByDesign
Resolution
You can register this requirement on the ideas forum:https://influence.sap.com/sap/ino/#
Also you can contact your partner for the potential creation of a Customized WS if needed.
Keywords
Project Invoice Request; Web Service , KBA , SRD-PRO-INV , Projects Customer Invoicing , Problem