GraphQL Federation V1 and V2

Compatible with both v1 and v2, all your existing GraphQL services will work out of the box. Any framework, any language.

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Schema Composition

Leverage open-source tooling around GraphQL in both JavaScript and Go to compose your federated graphs.

Schema Composition Checks

Easily avoid publishing broken schemas. Validate schema changes for breaking changes and composition errors. Perform checks against real time client traffic.

OSS Router with Auth

The Cosmo Router supports authenticating incoming requests using JWKS authentication. Multiple auth providers is also supported.

OSS Router with Subscriptions

The Cosmo Router comes with subscription support out of the box without any limitations. We support two different protocols to enable the most versatile data synchronization: WebSockets, Server-Sent Events.