Federation helps companies implement GraphQL at scale and allows you to combine multiple GraphQL APIs (subgraphs) into a single Supergraph. WunderGraph has native support for Apollo federation, it supports Queries, Mutations as well as Subscriptions.
It brings a lot of useful features to implement Graphs across multiple teams in a "federated" way, hence the name. It was invented and specified by Apollo .
WunderGraph is extremely fast executing GraphQL Operations and is therefore a great fit for a Federation Gateway.
Add a Apollo Federation DataSource
To add a Apollo Federation data source, edit
.wundergraph/wundergraph.config.ts and introspect the SubGraphs like the config below.
Simply add all the URLs of your SubGraphs to the