Errors Should Teach Recovery
Structure API errors so clients can recover without a support ticket.
Problem Details gives API teams a shared envelope for failures: a type that identifies the class of problem, a title that remains stable, detail for this occurrence, status for the HTTP code, and instance for tracing the specific event. The mechanism is interoperability. Client teams can build one parser, support teams can ask for one instance ID, and product teams can add domain fields without changing the whole error format. The hard part is restraint. Do not leak secrets, stack traces, or internal table names in detail. Put repeatable problem identity in type, occurrence-specific facts in detail or extensions, and…
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