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What's Overfetching?

· 3 min read
Alex Weinle
GraphQL Developer and AWS Architect

At the root of why people recommend moving to GraphQL is a concept called 'overfetching', and on the surface, it sounds pretty simple. In many APIs when you inquire about an object, the API returns everything it knows about it, because it doesn't really know what you're interested in. GraphQL (like SQL) lets you tell the API specifically what you're after before it makes the inquiry and returns the data over the network and back to you.