# GraphQL GraphQL is a query language for APIs that allows clients to request exactly the data they need in a single request. iOS apps interact with GraphQL APIs using libraries like Apollo iOS. GraphQL reduces over-fetching and under-fetching of data, making it efficient for mobile clients on limited bandwidth. Visit the following resources to learn more: - [@roadmap@Visit the Dedicated GraphQL Roadmap](https://roadmap.sh/graphql) - [@official@GraphQL Website](https://graphql.org/)