Interview question
Implement rate limiting for a public API
Asked in Pfizer Saudi Arabia Backend Engineer interviews
Asked by
53% candidates
Difficulty
Medium
Round
Technical Round
AI synthesized from candidate reports
Question 4 of 4
Implement rate limiting for a public API
Medium56% Candidate ReportsCODINGPfizer Saudi ArabiaBackend Engineer
Question
Implement rate limiting for a public API
High-Level Approach
Redis INCR with TTL or token bucket; return Retry-After; monitor reject rate.