API Design

Stop Using Webhooks for Data Replication. Try This Instead.

Webhooks are a broken abstraction for data replication. They promise simplicity but deliver silent data loss and endless retry logic. The fix is simple: use cursor-based streaming instead. This article explains why every retry queue is a sign of a deeper design flaw, and how to build a truly reliable data replication system.

Your Framework Is Broken, Not You: The API Design Sin That Cost Me Months

A developer lost three months to a single misplaced db.commit() call buried deep in a helper. But the real culprit isn’t developer negligenceβ€”it’s a framework API that makes data corruption trivially easy. This article argues that if an API allows bad state, it’s the designers who failed, not the users. Affine types, compile-time checks, or even a simple runtime guard would have prevented the disaster. It’s time to stop blaming developers and start building systems that make the wrong thing impossible.

Your Encryption Is Perfect. Your API Design Is Killing You.

A critical FreeBSD WireGuard vulnerability wasn’t caused by a flaw in the encryption algorithm β€” it was caused by a confusing API where crypto_dispatch returns errors in two different ways. The result: MAC validation was silently skipped. This is a wake-up call: API design is a security boundary, and ambiguous interfaces produce catastrophic exploits.

Your AI Agent Isn’t Dumb. Your Error Messages Are.

Most AI agents fail not because they’re dumb, but because the tools they use return error messages designed for humans, not machines. For an agent, an error message is the input for its next thought. If you give it a stack trace, it freezes. The fix is simple: design every tool output to tell the agent exactly what happened and what to do next.