The scalability is very good. That was a key factor in the selection, like how it could be pushed to high volume and scalability, which seemed to be very good.
We ran it for a while, but then we decided to move away from Tyk, because Tyk's cloud version, the SaaS version, has a significant limitation of limited flexibility, so you can't program very much.
In terms of our usage, the main area of concern is that they tend to build enhancements slightly ahead of the considerations for what those enhancements and extensions are. So it could be slightly better communication with the customer base that would be my main issue with them.