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Interview Questions
Mar 28, 2026
ViewAPI Design: OpenAPI, Errors & Best Practices. Error Response Format. Consistent error responses make APIs easier to consume. Use RFC 7807 (Problem Details) or a similar structure.. // RFC 7807 Problem Details (recommende…
ReadAPI Design: API Security. OWASP API Security Top 10 identifies the most critical API vulnerabilities. Understanding these is essential for designing safe APIs.. OWASP API Security Top 10. API1 — Broken Object Level Autho…
ReadAPI Design: REST Principles & URLs. REST (Representational State Transfer) is an architectural style for designing networked APIs. A well-designed REST API is intuitive, consistent, and predictable.. REST Constraints. Cl…
ReadAPI Design: Auth, Versioning & Pagination. Authentication Patterns. # API Key — simple, good for server-to-server Authorization: Api-Key sk_live_abc123 X-API-Key: sk_live_abc123 # Bearer Token (JWT or opaque) Authorizati…
ReadAPI Design: Protocol Comparison. Decision Matrix. Protocol Transport Format Streaming Browser Best for REST HTTP/1.1 JSON ❌ (SSE) ✅ Public APIs, CRUD, simple resources GraphQL HTTP/1.1 JSON ✅ ✅ Flexible queries, BFF, mul…
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