i used and stopped it, its pretty delayed, for scalping its not recommended, may be you should check with all order types. i tried limit orders and had issues.
Santhosh 181 Api bridge for scalping
buy limit and sell stop only works on price ladder as i have traded using it
My Internet speed is 90 mbps and orders are filled in blink, my order quantity is usualy around 2k-3k shares.
Not creating a system to trade leads to losses.
Losses eventually kicks out the trader.