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I think I agree with the people saying it can be good to develop your API in tandem with your app. However, I think that developing the API first leaves one in danger of being perfectionist and stops one adhering to ancient proverb, "Just fucking ship."

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Nah. Let's say you want to retrieve an artist from a query string.

First, define your API for this:

external->getArtist(string)

Now program the getArtist function. Then make a gui that uses this function, deploy it and you have already shipped your first version with a single API function.

Yes, I guess you're right that the simpler functions are straightforward to APIze.

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