curl -X POST "https://rossman-deployed.onrender.com/api/predictor" \
-H "Content-Type: application/json" \
-d '{"Store": 1, "Promo": 1, "Date": "2015-07-31", "SchoolHoliday": 0, "StateHoliday": "0"}'
You can also test online via ReqBin.