REST is the traditional architectural style for APIs with fixed endpoints. GraphQL is a query language that allows clients to request exactly the data they need and nothing more.
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How does GraphQL improve frontend performance?
It prevents "over-fetching." If a dashboard only needs a customer's "Name" and "Plan," a GraphQL query can fetch just those two fields, whereas a REST API might return a 5KB JSON of their entire history.
Knowledge Challenge
Mastered GraphQL vs. REST for SaaS Developers? Now try to guess the related 6-letter word!
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