beginner

Interacting with APIs in GO

Full-Stack Engineering

5 courses

98 practices

6 hours

This learning path equips Go developers with essential API skills—from HTTP requests to authentication and testing. Master REST fundamentals, efficient request handling, authentication protocols, and automated testing. Build robust communication between Go applications and external services.

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Verified skills you'll gain

DEVELOPING

Authentication and Authorization

DEVELOPING

Working with APIs

Tools you'll use

curl

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Course 2

Handling JSON in Go

5 lessons

24 practices

Explore JSON handling in Go for seamless API integration. Learn to encode and decode JSON data, map between JSON and Go structs, manage nested data structures, and handle errors effectively. Master marshaling and unmarshaling techniques to build robust applications that communicate flawlessly with web services using Go's powerful JSON capabilities.

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Course 3

Efficient API Interactions with Go

4 lessons

18 practices

In this course, you will learn how to handle common scenarios when working with APIs in Go. 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 4

API Authentication Methods with Go

4 lessons

18 practices

In this course, you will learn how to work with various API authentication methods using Go. 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 5

Automating API Tests with Go

4 lessons

19 practices

Master API testing in Go using the testing package and net/http library. Learn to create comprehensive test cases, execute API requests within tests, validate responses, and handle complex scenarios including CRUD operations and authentication. Build reliable APIs with confidence through effective automated testing practices.

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Faith Yim

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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.

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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

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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

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