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At times, REST APIs can result in multiple calls to the server and excessive data being returned to the client. In this course, Building a GraphQL API with Apollo Server, you'll learn to build APIs that return multiple resources over one call, and give the client control over what data is returned. First, you'll explore what GraphQL is and how to define your resources with a schema. Next, you'll discover how to resolve queries and nest objects. Finally, you'll learn how to modify your data with object mutations. When you're finished with this course, you'll have the skills and knowledge needed to build flexible and scalable GraphQL APIs in Apollo.
