REST vs GraphQL: Choosing an API Based on Data and Caching Needs

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The choice between REST and GraphQL APIs depends on an application's specific problems, not on one being inherently superior. REST APIs typically structure data around endpoints, which can facilitate simpler HTTP caching and predictable responses. GraphQL allows clients to request specific data in a single query, reducing over-fetching but introducing more complex caching considerations. Both approaches can deliver JSON over HTTP and achieve type safety with proper tooling. Performance varies by implementation, making measurement more important than assumptions.

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