The integration nobody planned for

Projects rarely die on the hero feature. They stumble on the handoffs. The CRM that does not receive leads correctly. The inventory sync that runs hourly when the business needed near-real-time. The single sign-on flow that works in Chrome but not Safari.

These integrations fail quietly because they are discussed late and estimated vaguely. Someone says the platform has an API and everyone nods like that sentence counts as a plan.

We map integrations early with the same seriousness as core features. What data moves where? How often? Who owns failures? What does the user see when the connection breaks? What are the rate limits, auth method and sandbox limitations?

Proof-of-concept hooks matter. Before you build the whole experience around a third-party service, verify the exact operations you need actually work with real credentials and real edge cases. Exporting ten rows is not the same as exporting ten thousand.

Good integration work is mostly operational thinking. Monitoring, retries, alerts, admin tools and clear fallbacks. The code is often the easy part. Knowing what should happen when it fails is what keeps launches calm.