Answer / raj

In Bapi, You create business objects and those are then registered
in your BOR (Business Object Repository) which can be accessed outside the
SAP system by using some other applications (Non-SAP) such as VB or JAVA

In this case you only specify the business object and its method from
external system, in BAPI there is no direct system call. while RFC are direct
system call

Answer / ramya

rfc-used in sap to sap system data transfer
bapi-for non sap systems also

Answer / ganesh sawant

1. RFC is subset of BAPI...or BAPI is more polished for external use than RFC
2. BAPI is used in LSMW after connecting it with the business object and can be register with the data transfer work bench.
3. BAPI are used to create BAPI ALE Interface.
4. BAPI's follow strict naming conventions and can be searched by tcode BAPI.
5. BAPI use external to internal coversion modules for all input parameters.
6. All the Message are to be returned in BAPIRET2 structure.

Answer / sudhakar kakarla

BAPI is used to connect with SAP to SAP as well as SAP to non-SAP .
Where as RFC is used to connected with sap to sap only.

Answer / madhu

bapi-used in sap to sap system data transfer
rfc-for non sap systems also

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