Code Room
System designHard
Question
Design a system that delivers webhook events to customers' HTTP endpoints reliably, with retries, ordering options, and protection against slow or bad endpoints.
What a strong answer looks like
Clarify scale and constraints first. Propose a clean component breakdown, then go deep on the hard parts — data model, bottlenecks, consistency, failure modes — and name the trade-offs you are making.
Learn the concepts
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Run or narrate your approach, then ask the coach.