Like Apollo's links (another React client for GraphQL), it handles the GraphQL requests, but according to the URQL developers, "all logic" for these queries are built into URQL's Exchanges: "Exchanges ...

Apollo's open-source GraphQL client, server, and gateway are downloaded more than 17M times per month and used in production by over 30% of the Fortune 500.

Can GraphQL scale beyond workgroups or departments? Changes to Apollo GraphQL's federation gateway should make GraphQL better suited for enterprise-scale adoption.

Apollo, a San Francisco-based startup maintaining a family of GraphQL tools and services, has raised $22 million to accelerate growth.