Idempotency Keys: The PHP Developer’s System Design Guide
Idempotency keys stop duplicate charges and retries from corrupting data. A PHP developer's guide to designing exactly-once APIs, with real failure modes.
Tag System Design
AI Agent Orchestration: One Agent or Many? A Practical Guide for Developers
Concrete decision framework for PHP and JavaScript devs: when single-agent simplicity beats multi-agent complexity, with real cost and latency trade-offs.