Technical interview guide
API Authentication & Authorization
Verifying who's calling an API (authentication) and what they're allowed to do (authorization) — API keys, OAuth, and JWTs.
- Read
- 24 min
- Practice MCQs
- 25
- Interview QA
- 25
- Edition
- v3
- Editorial status
- Reviewed
- Relevant for
- AI EngineerAgentic AI EngineerBackend EngineerBlockchain DeveloperCloud ArchitectCybersecurity EngineerData ArchitectData EngineerDevOps EngineerForward Deployed Engineer (FDE)Frontend EngineerFull-Stack DeveloperIdentity and Access Management (IAM) EngineerMachine Learning EngineerPlatform EngineerSecurity ArchitectSite Reliability EngineerSoftware EngineerSolutions ArchitectTechnical Product Manager
Scope: HTTP Semantics RFC 9110 and OpenAPI Specification 3.2.
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