Apollo GraphQL

Apollo Federation

Apollo Federation enables declarative composition of multiple APIs into a single federated GraphQL API. It serves as an API orchestration layer where clients make a single GraphQL request and the router coordinates multiple API calls to return a unified response.

GitHub

Documentation

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Documentation
https://www.apollographql.com/docs/graphos/schema-design/federated-schemas/federation

SDKs

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GitHubRepository
https://github.com/apollographql/federation

Other Resources

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DirectivesReference
https://www.apollographql.com/docs/graphos/schema-design/federated-schemas/reference/directives
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Changelog
https://www.apollographql.com/docs/graphos/reference/federation/versions