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Introduction to Apollo Server


📣 Apollo Server 4 is generally available!

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Docs for Apollo Server 3 are available here.

Apollo Server is an open-source, spec-compliant GraphQL server that's compatible with any GraphQL client, including Apollo Client. It's the best way to build a production-ready, self-documenting GraphQL API that can use data from any source.

Diagram showing Apollo Server bridging frontend and backend

You can use Apollo Server as:

  • The GraphQL server for a subgraph in a federated supergraph
  • A stand-alone GraphQL server
  • An add-on to your application's existing Node.js middleware (such as Express, AWS Lambda, or Fastify)

Apollo Server provides:

  • Straightforward setup, so your client developers can start fetching data quickly
  • Incremental adoption, enabling you to add features as they're needed
  • Universal compatibility with any data source, any build tool, and any GraphQL client
  • Production readiness, enabling you to confidently run your graph in production

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