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.
Details
- Updated May 15, 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
MM
RT
Raph Terrier and Michelle Mabuyo
Lesson List
This tutorial includes
- videos (28 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.
| Version | Last updated | Changes | |
|---|---|---|---|
| Current versionRecommended | May 15, 2025 |
| Start version |
| v1 | Dec 19, 2022 |
| Start version |
