Design the API, Not the System
mediumAPI / schemaCommonly asked~30 minHLD roundPhone screenHiring managerSDE-2 and upAtlassianRazorpayMicrosoftAmazonPhonePeAPI DesignConsistency & ConsensusResilience
The question, as asked
“Forget the internals. Design the public API for a booking service — the endpoints, the payloads, and what happens when a client retries.”
Your answer, first
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Full drill coming soon
This one is listed because it comes up constantly — the three-depth answer, follow-ups and red flags are being written. Attempt it above anyway; that part works, and the guides below cover the ground the drill will.