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Introduction to Apollo Server

📣 Apollo Server 4 is generally available!

See what's new!

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 GraphQL Operations to web apps and frameworks

You can use Apollo Server as:

  • The GraphQL server for a subgraph in a federated
  • An add-on to any new or existing Node.js apps—this includes apps running on Express (including MERN stack apps), AWS Lambda, Azure Functions, Cloudflare, Fastify, and more

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 , any build tool, and any GraphQL client
  • Production readiness, enabling you to confidently run your graph in production

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