API Filtering: retrieving data like a coffee connoisseur
In my first year of working, I once wrote an endpoint GET /api/menus that returned… the entire menu. 200 items every time it was called. The JSON was 1.2MB heavy. The frontend only needed the name and price of 10 active dishes. I remember the first thing my lead said: “You’re sending the entire warehouse to someone who just needs to view the menu, aren’t you?”
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