Lift-off II: Resolvers v2

We'll walk through the journey of a GraphQL query and learn how to use resolvers and a RESTDataSource to connect our Catstronauts app to live data!

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Lift-off II: Resolvers is a certifying course

By completing this course, you'll be on your way to earning an Apollo Graph Developer - Associate certification.

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Details

  • Updated Mar 10, 2025
  • 10 lessons

What you'll learn

  • Follow the journey of a GraphQL query from the client to server and back

  • Write resolver functions

  • Connect a REST data source

  • Explore common errors when writing GraphQL queries

Prerequisites

  • Available languages: JavaScript, TypeScript

  • Basic knowledge of React

Instructors

Raph Terrier and Michelle Mabuyo

Version history

If you take multiple versions of the same course, your progress for each version is saved separately.

VersionLast updatedChanges
Current versionRecommendedMar 10, 2025
  • Apollo Server 4

  • React Router

Start version
v1Dec 19, 2022
  • Apollo Server 3

  • Reach Router

Start version