Lift-off II: Resolvers v1

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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  • Updated Dec 19, 2022
  • 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


  • JavaScript
  • React


Raph Terrier and Michelle Mabuyo

Lesson List

This tutorial includes

  • videos (26 min total)
  • tasks
  • multiple choice questions
  • code challenges

Version history

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

VersionLast updatedChanges
Current versionRecommendedMar 27, 2024
  • Apollo Server 4

  • React Router

Start version
v1Dec 19, 2022
  • Apollo Server 3

  • Reach Router

Start version

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