Hi Bhakti,You may try out the client credential options with POSTMAN once to confirm if its working standalone as desired or there is any issue with custom code.Regarding the OA2C_CONFIG/OA2C_GRANT, I had come across a very nice and detailed wiki pag...

Hi,Try the below change. Pass the grant type as part of body.DATA: lv_strdata TYPE string.lv_strdata = 'grant_type=client_credentials'.DATA(lv_strlen) = strlen( lv_strdata ). lo_http_client->request->if_http_entity->set_cdata( ...