idempotency

3 posts

idempotency

Thinking in Events: A Beginner's Guide to Commands vs Events

Learn the mental shift behind event-driven systems: announce facts instead of issuing commands. Covers naming, decoupling, eventual consistency, and idempotency.

event-driven · messaging · idempotency +2

July 17, 2026Development

Idempotency: A Beginner's Guide to Safe Retries in APIs

A practical introduction to idempotency for developers building APIs, payments, and message consumers, covering HTTP semantics, idempotency keys, and upserts.

idempotency · api-design · distributed-systems +4

April 9, 2026Development

Cross-Platform Subscription Entitlements: Syncing Web, iOS, and Android

How to build a reliable entitlement sync layer that keeps subscription access consistent across web, iOS, and Android with EventBridge and idempotent processing.

webhooks · idempotency · subscriptions +3

April 2, 2026Business & Insights