webhooks

3 posts

HMAC: What It Is, How It Works, and When It Is the Wrong Tool

A grounded explainer for backend engineers: HMAC-SHA-256 for webhooks, signed URLs, and internal auth, with three-language code and the boundary where digital signatures take over.

securitycryptographyhmac+5

May 12, 2026Development

Async API Patterns for Web and Mobile: An Opinionated Default

One default shape for long-running work across a browser SPA and a mobile app, with the cases where it should be overridden.

api-designwebsocketsserver-sent-events+5

April 18, 2026Development

Omnichannel Entitlement Sync: Cross-Platform Subscription Access

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

webhooksidempotencyentitlements+4

April 2, 2026Business & Insights