GraphQL Client Libraries (General)

Apollo Client offers the largest ecosystem, docs, and framework support, with a normalized cache that works well for most apps. Relay, developed by Meta, uses a compiler and fragment colocation model that scales impressively for large React codebases but has a steeper learning curve.

You can absolutely POST a query to your endpoint with plain fetch, since GraphQL runs over standard HTTP. Libraries earn their keep by adding normalized caching, reactivity, subscriptions, and code generation for typed results, which raw fetch leaves you to build yourself.

urql is a strong framework-agnostic option with an extensible 'exchanges' architecture, and Apollo Client ships community-maintained integrations for Vue, Angular, and Svelte. For tiny projects, lightweight libraries like graphql-request cover the basics with minimal overhead.

Apollo Client normalizes every response by __typename and id, so the same object fetched by different queries shares one cache entry and updates propagate everywhere. urql's default document cache works per-query, and you opt into similar normalization by adding its Graphcache exchange.