Introduction to Web APIs: Fetch API


This practical lesson offers an introduction to the Fetch API.

Learning Objectives

  • Understand what Fetch APIs are
  • Learn how to:
    • Pass through a URL to get a response
    • Analyze a JSON response
    • Parse JSON with the .json() method
    • Extract a specific piece of data from the response
    • Use the Fetch API in conjunction with a higher order function

Intended Audience

This lesson is intended for anyone who wants to learn about the Fetch API.


Anyone with an interest in the Fetch API or Web APIs in general.
The following lesson serves as a primer on JavaScript Promises that the Fetch API uses:  Introduction to JavaScript Promises
The following lesson serves as a primer for the higher order Map function used in this video: Introduction to Higher Order Functions: Map & Filter

About the Author
Farish Kashefinejad, opens in a new tab
Full-Stack Development Content Creator
Learning paths

Farish has worked in the EdTech industry for over six years. He is passionate about teaching valuable coding skills to help individuals and enterprises succeed.

Previously, Farish worked at 2U Inc in two concurrent roles. Farish worked as an adjunct instructor for 2U’s full-stack boot camps at UCLA and UCR. Farish also worked as a curriculum engineer for multiple full-stack boot camp programs. As a curriculum engineer, Farish’s role was to create activities, projects, and lesson plans taught in the boot camps used by over 50 University partners. Along with these duties, Farish also created nearly 80 videos for the full-stack blended online program.

Before 2U, Farish worked at Codecademy for over four years, both as a content creator and part of the curriculum experience team.

Farish is an avid powerlifter, sushi lover, and occasional Funko collector.

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