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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

Scope: HTTP Semantics RFC 9110 and OpenAPI Specification 3.2.

Curated: · Written: · Reviewed: