An integration is not just an API call. It is authentication, permissions, errors, retries, limits, costs, data contracts, traceability and support when something fails.
Ambitious products usually depend on many external and internal pieces. If those connections are designed as quick glue, the product grows on invisible debt.
A good integration has ownership, logs, alerts, documentation and explicit decisions about what happens when the other system does not respond. User experience also depends on that plumbing.
In serious projects, integration is a product discipline: it reduces risk, accelerates operations and turns scattered systems into a platform that can be governed.
If this problem sounds familiar, tell us what you're building.
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