A BAPI is always (per definition) a RFC-function module. However, you can also call a BAPI in ABAP like you call a "normal" function module. Consider that most BAPIs require an explicit COMMIT if they change data.
A BAPI is always (per definition) a RFC-function module. However, you can also call a BAPI in ABAP like you call a "normal" function module. Consider that most BAPIs require an explicit COMMIT if they change data.