AI Agents
FAQ: What Enterprise Backend Teams Must Know About AI Agent Contract Testing Between Dependent Services When Upstream Model Providers Silently Change Tool-Calling Schemas in H2 2026
If you run backend infrastructure that powers AI agents, you have almost certainly lived through this scenario: everything is green in staging, your pipelines pass, and then sometime after a model provider quietly rolls out a backend update, your agent starts returning malformed outputs, skipping tool calls entirely, or worse,