Hello @Waris Souran ,
Thanks for the question and using MS Q&A platform.
I did tried to setup the same with the API https://dummy.restapiexample.com/api/v1/employees and I was able to make it work .
Please select the file type as "JSON" and
Himanshu
Please accept as "Yes" if the answer provided is useful , so that you can help others in the community looking for remediation for similar issues.