I am using api 1.4 and making more than 500 request with in 30 secs. So i get error response {"error":{"code":"50301","domain":"Request.OverLimit","message":"Please reduce request rate"}}Is there any solution ?

Hi,     I am using ADOBE API 1.4 and started facing issue since 14th april 2019. I am getting following error message.{"error":{"code":"50301","domain":"Request.OverLimit","message":"Please reduce request rate"}}Looking for immediate solution