Last post of a 4-part series from Michael Bolton giving view on exploratory testing on API - specially important because many people see that APIs cannot be understood by exploration and learning. BIG MISTAKE!
As almost everything in life, “slow software” depends on the point-of-view. @inkandswitch explains the many ways users can perceive slowness on software. And if you think your product is fast because it beats most benchmarks, imagine how a 150ms delay would happen in real life.