Integration patterns
Integration patterns
Field mapping integration: the unglamorous work that decides go-live day
Most integration projects do not fail on architecture. They fail on a customer reference that is two characters too long, a tax field nobody agreed the meaning of, and a status code with no documented owner.
Integration patterns
What a Dead Letter Queue Integration Actually Buys You in Retail
A dead letter queue is often sold as a safety net for order sync. It is more useful than that, and less magical. Here is what it genuinely protects, and what it quietly leaves on your desk.
Integration patterns
Webhook or polling: choosing the right webhook integration pattern for order sync
Order sync fails quietly more often than it fails loudly. The choice between webhooks and polling determines how quickly you notice, how easily you recover, and how much reconciliation work lands on the finance team.
Integration patterns
Designing an idempotent api integration: getting the keys right
Retries are unavoidable once two systems talk over a network. Idempotency keys are what stop those retries turning into duplicate orders, duplicate invoices and duplicate carrier labels — provided the keys are derived, scoped and stored properly.
Integration patterns
Designing a data flow you can prove: building an integration audit trail that holds up
Most integrations are designed to move data correctly. Far fewer are designed so that, nine months later, somebody can demonstrate exactly what moved, when, and why it produced the figure now sitting in the ledger.