
Blog Detail
APIs Other Squads Actually Want To Consume
Internal APIs fail in a particular way: they compile, they pass the demo, and then neighboring teams build shadow copies because the original is too awkward to love. TechCriti treats an API as a product with users who happen to be other engineers.
Wanted APIs have boring virtues. Predictable errors. Pagination that does not change personality between endpoints. Versioning that is visible. Examples that were run yesterday, not copied from a wiki that drifted. Documentation that names the operational limits, not only the happy path.
Contracts before convenience
We write the consumer’s story first. If a billing squad needs a customer’s active entitlements, we do not hand them a god endpoint that returns the universe. We give them a stable resource, a change feed they can trust, and a deprecation calendar that is not a rumor.
Critique sessions include a consumer who is allowed to be impatient. If they cannot integrate in a sitting, the API is not done. That standard has saved more calendars than any gateway dashboard.
