Use the DevEx framework to explain why error clarity and supportability are product features.
The real user is often under stress API teams love to design for the green-path integration. But the relationship is won or lost in the red-path moment: a timeout, a replay, a missing scope, a schema mismatch, or a deprecation surprise. The DevEx framework helps here. Good error handling shortens feedback loops because the developer learns quickly. Good naming and consistent concepts reduce cognitive load because the developer does not need to interpret every message from scratch. Good observability preserves flow because the developer can stay in the task instead of escalating immediately. Product managers should treat supportability as a…
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