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Learn HTTP Clients in TypeScript

Learn how to use HTTP in TypeScript to interact with APIs and the web. Make requests, handle responses, and use a JSON API.

Also available in:

gopython

What will you learn?

Learn the backbone of the modern web: HTTP network communications. You will be writing real HTTP requests in TypeScript, then parsing and displaying the responses. Each challenge in this course is part of a larger application so that you will understand how HTTP is used in the real world.

Chapter List

1
Why HTTP?
Learn about HTTP and how it powers the majority of web communication
2
DNS
Learn about domain names and how they map human-readable names to physical servers
3
URIs
Understand URIs and URLs at a deeper level
4
Errors
Learn how to handle errors in TypeScript
5
Headers
Practice adding custom headers to HTTP requests and learn about authorization
6
JSON
Learn one of the most popular data formatting notations in the programming world
7
Methods
Learn about GET, POST, PUT, and DELETE requests
8
Paths
Learn how URL paths and query parameters relate to typical HTTP requests
9
HTTPS
Learn how to encrypt HTTP requests and keep them secure
10
Runtime Validation
Learn runtime validation for HTTP responses using Zod to ensure type safety when working with external APIs

Join 4,958 students in the Learn HTTP Clients in TypeScript course

Read reviews of their learning experiences

Helpful examples and explanations.

(3/5)
VAMSI DEVALLA profile image

VAMSI DEVALLA

Philadelphia

Short but impactful—taught me exactly what I needed.

(4/5)
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Tim Adizov

San Francisco Bay Area

Challenging but rewarding.

(3/5)
Adeyemi Olaoye profile image

Adeyemi Olaoye

Berlin, Germany

Great lesson, super clear.

(5/5)
Rohit Sharma profile image

Rohit Sharma

New Delhi

Fantastic! The explanations were crisp and the demos were grounded in real engineering scenarios. What stood out to me was the clear discussion around testing strategies and how to evolve a codebase over time. The sample repository was well-structured and made it simple to jump between sections. I’d love to see a follow-up lesson that goes deeper into profiling and performance tuning.

(4/5)
Ehsan Vessal profile image

Ehsan Vessal

San Diego, CA

Loved the pacing and depth.

(3/5)
Biswajit Samal profile image

Biswajit Samal

India, Banglore

This lesson exceeded my expectations. I went in thinking I knew the basics, but the deeper dives into trade-offs and edge cases were exactly what I needed. The instructor didn’t just show ‘happy path’ solutions: they demonstrated how to think about failure modes, performance bottlenecks, and future extensibility. The capstone project, while optional, gave me the perfect sandbox to experiment and get feedback.

(3/5)
BELAIFA EL HUSSEIN profile image

BELAIFA EL HUSSEIN

boudouaou,boumerdec,algerie

Appreciated the tips on common pitfalls and debugging.

(4/5)
Grace  profile image

Grace

Bristol

Helpful examples and explanations.

(3/5)
JianQiu Hwang profile image

JianQiu Hwang

广州

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Mediocrity doesn't cut it anymore

The only way to become a great developer is to write a lot of code

Avoid tutorial hell

by writing a ton of code

Stay motivated with

a game-like curriculum

Build portfolio projects

to prove your skills

Delve deeper

into foundational concepts

Learn flexibly online

without interrupting your life

For 1% the price of college

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Frequently asked Questions

Got questions? We've got answers

Yes! It's free to create an account and start learning. You'll get all the immersive and interactive features for free for a few chapters. After that, if you still haven't paid for a membership, you'll be in read-only (content only) mode.