iPaaS vs Custom Integration: Choosing Your Middleware Honestly

Complex transformation logic, high-volume events (per-task pricing compounds), deep error-handling needs, and any flow that's become load-bearing revenue infrastructure.

Audit per connection: volume, complexity, failure cost — iPaaS for the long tail, custom for the spine, and honest migration when a flow outgrows its platform.

Skipping the discipline this article describes until an incident, audit, or stalled project forces it — every practice above is cheaper adopted early than retrofitted under pressure.