There was a sandbox but it never behaved like the prod environments. To the point I had to have a flag to tell my order entry code if we were being certified in

There was a sandbox but it never behaved like the prod environments. To the point I had to have a flag to tell my order entry code if we were being certified in the sandbox or actually trading in prod. I’ve heard that got better after they replaced the gateways with fpga but don’t know for sure.