Top 50 api gateway Interview Questions
The most frequently asked api gateway questions across all roles and companies, ranked by real interview frequency. Updated daily.
Define how you would execute an API gateway rollout that centralizes auth, rate limiting, and routing without disrupting existing services.
Toyota
NantHealth
Rent The RunwayDesign how an AI assistant exposes tools, enforces entitlements, and separates agents, orchestrator, and MCP server responsibilities.
JPMorganChaseDesign a maintainable RESTful API with clear contracts, validation, security, versioning, observability, and reliable failure handling.
KPMG
OCLC
StriveworksDesign a distributed rate limiter that prevents API traffic from exceeding a configured QPS limit.
Google
AppleDesign or implement a rate limiter that enforces request quotas accurately and reliably across distributed API servers.
AmazonAppleDesign an ML-assisted API gateway that applies authentication and authorization controls while detecting abuse and account compromise risk.
NTT DATAImplement a thread-safe rate limiter and explain how the design changes for multi-threaded and distributed use.
Design a zero-downtime migration from one LLM provider to another with compatibility, evaluation, rollback, and observability.
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