API Design · Senior · Question 61 of 75

What's the risk of tight coupling between an API's response shape and a single UI screen?

1UIs can't use APIs
✓Correct answer: Every UI change forces an API change, and other clients get data shaped for someone else; BFFs or flexible queries isolate UI needs
3It makes responses smaller, so there's no risk

Explanation

Shared APIs should model the domain; UI-specific shaping belongs in a BFF or the client.

Further reading

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