Apollo Client is a fully-featured caching GraphQL client with integrations for React, Angular, and more. It allows you to easily build UI components that fetch data via GraphQL.
All Apollo Client documentation, including React integration articles and helpful recipes, can be found at:
https://www.apollographql.com/docs/react/
The Apollo Client API reference can be found at:
https://www.apollographql.com/docs/react/api/apollo-client/