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0+ curated questions with the same answer shape every time: quick recap, deep dive, pitfalls, and follow-ups. Coverage includes .
REST API design with Go interview questions test both your API design knowledge and your Go-specific implementation patterns. This module covers the RESTful resource model (URL design, HTTP verb semantics, idempotency, the 200/201/204/400/401/403/422/429 status code decisions in Go handlers), API versioning strategies (URL prefix /v1/, Accept header, query param — trade-offs for Go router configuration), cursor-based pagination (why offset pagination breaks on large Go + PostgreSQL tables), JWT authentication in Go (golang-jwt/jwt, the standard claims validation pattern, the algorithm confusion attack), middleware for rate limiting (token bucket with Redis, the X-RateLimit-* headers), automatic API documentation with swaggo (annotations → OpenAPI spec), and graceful shutdown with os.Signal, http.Server.Shutdown(ctx), and context cancellation. The scenario question interviewers love: 'your Go API is receiving duplicate POST requests — how do you make your handlers idempotent?'
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