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Building Web APIs with GraphQL - The Complete Guide (Udemy.com)

Become an expert in one of the most exciting web APIs framework with this practical, hands-on course

4.7
687 reviews

Created by: Memi Lavi

Last updated August 2026

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What you will learn

  • Basics of GraphQL
  • The 3 types of operations in GraphQL
  • Error Handling in GraphQL
  • Developing GraphQL Server
  • Developing GraphQL Clients

How it compares

Against the other 815 rated Udemy courses in Web Development on CourseDuck:

  • Rating4.7 out of 5higher than 86% of them
  • Reviews687#232 of 816 by number of reviews
  • Length3.9 hoursshorter than 70% of them
  • Last updatedAugust 2026more recently than 92% of them

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Course Description

Web API is usually the most important part in a web app.

This is how you expose your web app to the world, and to other users, and it must be fast, easy to use, and up-to-date.

GraphQL is one of the most advanced and exciting web APIs in the industry today, and it adds a lot of value to any web app. Its great flexibility and many implementations make it an important asset in every developer and architect toolbox.

And this practical, hands-on course will make you an expert in GraphQL.

We are going to cover all aspects of GraphQL, from the very basics to the most advanced topics.

Here are some of the topics we're going to discuss:

- How GraphQL stacks against REST API

- Basic concepts of GraphQL

- GraphQL Schema

- Querying

- Mutations

- Subscriptions

- Developing GraphQL Server and Client

- Error handling in GraphQL

And lots more.


Now, in order to make this course as valuable as possible, I made it extremely practical and hands-on.

We're going to start working with GraphQL in the very first section, and then working through all the other topics, and we're going to use multiple platforms for that - nodeJS and .NET.

Note: You don't have to be a .NET or nodeJS developer to take this course. I'm going to guide you through all the steps in the development process, and make sure everything will work as expected.

By the end of this course, you'll be an expert in GraphQL, not just in theory, but in practicality.


There is no other course like this! This is the only course that will take you all the way to  be an expert in GraphQL, from the very beginning to topics known to few, and will do that in an extremely practical and hands-on fashion.


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What do my students have to say about my courses?

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"well done - The course was very practical" - Sam

"Good explanation on the topics covered, "Soft Skills" section is a great addition of topics" - Sergio

"[The course] given me the confidence to go out to the market and advertise myself as such [an Architect]" - Mathew

"Life Changing" - Arivazhagan

And lots more...


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Who is this course for?

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Any person who is involved in web development, even system analyst, can profit from this course.

That includes:

- Junior developers

- Senior developers

- Architects

- Anyone else involved in web development

If you're not sure if this course is for you - drop me a note!


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What are the prerequisites for this course?

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Students are expected to be able to understand code , and to know how the internet is working (HTTP protocol, Request / Response model, and so on).

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About Me

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I've been in the software industry for more than 25 years, and a Software Architect for more than 20 years, working with a variety of clients - Fortune 100 enterprises, start-ups, govt. entities, defense, telco, banking, and lots more.

I'm an avid speaker and trainer, having trained thousands of students in various courses.

I love what I do, and my greatest passion (well, besides my family...) is designing modern, practical, and reliable systems for my clients, using the best possible API.
Read More Beginner Beginner Level product length iconTime: 3.9h

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Instructor Details

Memi Lavi

Senior Software & Cloud Architect with more than 20 years of experience in the Software Industry.

In 2018 I founded my own software and cloud architecture boutique company, which grew 100s% every year, until it was sold a few years later to one of the largest IT companies in the country for millions of dollars.

Certified Azure Solutions Architect Expert.

Worked with all kinds of clients - govt. entities, start-ups, banks, telcos and more - designing the architecture of their systems and working closely with the development teams.

Frequent speaker in many tech conferences & meetups, and a real software enthusiast.

Read More

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Reviews

4.7

687 ratings on Udemy

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By Oiendrila Chatterjee on 4/19/2026

I have learned a lot from this course. The clear , easy to understand explanation for each topic with example was really impressive. Also the course is not very long which anyone can go through quickly.

By Romeo Ndlovu on 9/16/2025

If i knew i could create a GraphQL project in .Net i would've done it, its more organized than running the entire thing on one python file. Great content, very useful and interesting.

By Michael Schiller on 5/20/2025

Great course, it moves fast but covers all the basics, even from the development side. A few quizzes just to check and confirm knowledge would be nice, and it could probably stand to be updated using more recent versions of .NET and its associated libraries, but otherwise this was really useful.

By Rasmus Schultz on 2/27/2025

Sections 1-9 were great and provided a clear and complete overview of GraphQL itself. Since my goal for this course is to understand the GraphQL language and protocol itself, coding along in .NET was not a very useful exercise - unless you're going to build your backend in .NET using the HotChocolate framework, I would recommend just watching the content rather than coding along. The latter sections 10-12 were very short, hurried, and incomplete - the error handling and authentication sections are mostly a waste of time, since, in practice, your specific choice of GraphQL server and client libraries will dictate how this is implemented. Those sections are very short though, and doesn't take away from the main part of the course, which was good.

By David Rhodes on 10/9/2024

It would help if the instructor used a lower resolution or larger font. He obviously has a large monitor but I like to watch these courses on my iPad Mini and the code is too fuzzy to read. This is not just a problem for this course but many other courses as well.

By Bryan Herr on 5/17/2024

I love that he gives the choice for the extreme basics and the focus on both theoretical and technical sides of the training.

By Maggie on 6/10/2023

I was able to learn the basic knowledge of GraphQL. In addition, I learned how to build a ServerSide and ClientSide using GraphQL from scratch, and was able to actually build one. The lecturer's pronunciation was so easy to hear and the subtitles were quite accurate, that I was able to take the lecture smoothly.

By Koushik on 4/26/2023

I'm feeling way more comfortable when Mr.Memi lavi teaches us the GRAPHQL. It's so nice that the way of teaching were coherent

By Janet Robinson on 4/1/2023

It is an interesting course. I am glad I had the chance to learn about GraphQL as I hadn't heard of it before and I'm now in a position to recommend it as a possible solution should one of our upcoming projects be a great fit for the product.

By Bklau on 3/21/2023

A good overview of GraphQL mechanics. However, it would be nice to have a section to discuss of GraphQL vs REST's place in a software system design architecture and where each might be a better fit. Some discussion on pros and cons plus API maintenance cost would also be useful since no API is perfect.

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Overall Score : 94 / 100

Building Web APIs with GraphQL - The Complete Guide
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  • Video Duration: icon 3.9h
  • Price: $79.99
  • Provider: icon Udemy
  • Updated: icon August 2026
  • Level: Beginner Beginner
  • Language: icon English
  • Certificate: icon Yes
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