API service cost rate maintenance

Hi Sap Folks,

Need help to understand how to use below API for create/update service cost rate . API documentation says it can be used but i dont found any post method for same

https://api.sap.com/api/API_FCO_COST_RATE_SRV/overview

https://help.sap.com/viewer/1e3c2c0366834d1fb76461f439248880/2002.500/en-US/8c0f33ac6f6046d5aafd4334e401379a.html