beginner

Interacting with APIs in C++

Full-Stack Engineering

4 courses

70 practices

5 hours

This path helps C++ developers master API interactions with httplib—from basic HTTP requests to authentication and automated testing. You'll cover REST APIs, API keys, JWT, sessions, and gtest, gaining the skills to build secure, reliable API integrations in C++.

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Verified skills you'll gain

DEVELOPING

Authentication and Authorization

DEVELOPING

End-to-End Testing and Debugging

INTERMEDIATE

Working with APIs

Tools you'll use

C++

curl

GoogleTest

JWT

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Course 2

Efficient API Interactions with C++

4 lessons

16 practices

In this course, you will learn how to handle common scenarios when working with APIs in C++. You’ll explore how to manage errors effectively, work with file uploads and downloads, handle paginated API responses, and use headers effectively. By the end of this course, you’ll have a deeper understanding of practical API techniques.

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Course 3

API Authentication Methods with C++

4 lessons

18 practices

In this course, you will learn how to work with various API authentication methods using C++. You’ll explore the basics of API Key authentication, manage sessions using cookies, and interact with APIs using JSON Web Tokens (JWTs). By the end of this course, you’ll be able to access and interact with protected APIs securely.

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Course 4

Automating API Tests with C++

4 lessons

17 practices

Learn to write automated tests for C++ APIs using gtest and httplib. You'll create test cases, send API requests, assert results, reuse code with fixtures, and cover CRUD and auth scenarios—ensuring your APIs are reliable and fully tested.

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From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11