In API testing, speed, accuracy, and confidence in test results are everything. Regardless of whether you're validating functionality, testing performance under load, or ensuring compliance with your security posture and standards, the ultimate goal is the same: catching problems before they reach production. But what if your tests are lying to you? Lurking beneath even the most sophisticated test suites is a subtle, pervasive threat: data coupling. Data coupling is a silent API killer that doesn't throw immediate errors or break builds in obvious ways.
