From SOA to Agents: Why API Contracts Still Matter

As AI agents become increasingly prevalent, the architecture world faces a familiar challenge: SOA promised composability and interoperability but ultimately failed due to shallow contract definitions rather than technological limitations. This article reveals that today's agent-driven systems follow the same perilous path, making it critical that API designers learn from SOA's mistakes by creating richer, semantically meaningful interfaces that capture business intent, not just data structures.