Answer / yarru sreenivasa rao

bapi is interface
this work for sap as well as legacy system

but lsmw is tool to data conversions
this for legacy system only

Answer / rams

BAPI (Function Module + Remote Enabled) on the wrapper
of Business Object

LSMW is a tool used to for conversions

Answer / atanu

Bapi are RFC enable function module used to update datas
from legacy system. LSMW also used to upload data but its
is mostly used by Functional people not generally used by
the ABAP technical consultant.

Answer / mrudila

In addition to the above RECORDING a transaction is
compulsory in LSMW,where as in BAPI's recording doesnt
possible,and a list of fm's we can use to extract data.
Even LSMW is used by technical consultants(in case of less
no.of records)

Answer / joydip

The Basic difference between these two are, BAPI can be
used by any legacy system which is object oriented, which
can call a BAPI and fetch data from SAP.This is possible
because BAPI is a remote enabled function module.
But LSMW can not be used by any legacy system.

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