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.

You can use Apollo Server as:

• The GraphQL server for a subgraph in a federated supergraph

• 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 data source, any build tool, and any GraphQL client

• Production readiness, enabling you to confidently run your graph in production

Ready to try it out?