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The Importance of API Evolution in a BFF World
If you don't put workflow into your backend system, it will emerge in your front-end system and it will be painful. If we use the API Evolution pattern, if we have a BFF that sits between client and actual backend, we can have an endpoint that represents some logic. We can have that on our BFF and it essentially wraps some legacy API. And over time, we can slowly change the implementation without breaking the client. That's how we can slowly move off like an old service or something.