If you’ve been in the DevOps world long enough, you’ve probably felt this pain: A developer pushes a perfectly working feature, the build passes, deployment goes through and then, three hours later, the support channel lights up because a downstream API is returning garbage. The feature worked. The API didn’t. This is exactly why API testing can’t be an afterthought anymore. With microservices now powering the majority of modern applications, APIs are the nervous system of your entire stack.