Blog Archive: May 2026

The durable log of every outbound delivery attempt is the spine of an integration system — and the schema decisions made on day one decide which questions it can answer for years. A practical guide to fields, query patterns, customer visibility, and retention tiers.

Most HMAC guidance is written for receivers verifying signatures. The sender side — especially when you're a multi-tenant SaaS — has its own set of decisions. A practical guide to schemes that survive versioning, key rotation, and in-flight retries.

Most idempotency guidance is written for webhook receivers. The emitter side — especially under fan-out — has its own set of problems. A practical guide to designing keys that survive retries, replays, and multi-destination delivery.