API keys for systems you don't own, in environments you can't always reach, audited by security teams who don't trust you. The strong answer has one organizing principle, and a concrete story for rotation and the air-gapped case.
Updated Aug 2026 · Grounded in real Forward Deployed Engineer interview loops and written to a senior-engineer editorial bar.
API keys for systems you don't own, in environments you can't always reach, audited by security teams who don't trust you. The strong answer has one organizing principle, and a concrete story for rotation and the air-gapped case.
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