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System design interview question · Backend

Design a multi-tenant API gateway

Route external API traffic safely to independently operated backend services.

Advanced 60 minutesNetworking Plus
More Backend questions

Concepts this round covers

  • Control plane vs data plane
  • Policy evaluation
  • Safe configuration rollout
  • Networking

This is a Plus round

The brief, the scale to design for, the questions interviewers ask and the common mistakes for this round are available to Plus members. Plus is coming soon.

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Build a service that turns long links into short, shareable URLs.

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Sync large files reliably across devices and collaborators.

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Protect a public API without slowing down well-behaved clients.

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