Basic Auth not working

Hi team,
I want to use an API which is developed using SAP. But in platform I am facing different problems like:

  1. I am facing issues in configuring Basic Auth profile
    .While testing this auth profile we are getting issue in this authorization check url.Please provide some step by step guide how can I set up a correct Basic Auth Profile in Kore.Ai platform.
  2. Also, in the api call we are making I want something to be in body section for this API call.But here in this platform, I am not able to pass Body in Get Api call.Please provide help on this one as well.
    3.It is working in Postman