Send Post Request to Web Api

Hi there ,
Kindly I have Created A Web Api ,
and want to pass parameter from Intuiface to the web api
I used postman to test the api is working ,
and Get Request from Intuiface to the same api is working ,so seeking your help why the request is not reaching the api

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Issue resolved by setting parameters to body instead of header by pressing B letter and also setting adding application/json as header.