Posts

Auth, RAR, and PAR — The Building Blocks of Modern OAuth
OAuth2 continues to evolve. Auth, RAR, and PAR are redefining how apps request access — making APIs safer, richer, and more user-friendly. This post explains what they are and how they fit together.
Oct 16, 2025 3 min read SystemDesign, API-Design
Why Idempotency Can Save Your API (and Your Users)
Ever had a user get charged twice because of a flaky connection? Let’s talk about how idempotency can save your API (and your reputation).
Apr 17, 2025 4 min read SystemDesign, API-Design
Why Idempotency Can Save Your API (and Your Users)