Postman Clone App
Call APIs with Confidence and More
Postman Clone App
Calling APIs from your C# code is a common task. In this course, we will learn how to make all of the major HTTP calls (GET, POST, PUT, PATCH, and DELETE) from our C# code while also building a real-world application. Learn how to build three different UI types, how to call APIs, how to process the return information, and more!
Your Path to Real-World C# Developer
The App
Learn how to build a Postman clone in Winforms
Forum
Collaborative Student SpaceInitial Project
By Tim Corey 8 lessons 185 minMilestone
Now you have a working Postman clone in .NET 8
User Interfaces
Add WPF and Blazor WebAssembly user interfaces
WPF User Interface
By Tim Corey 7 lessons 79 minBlazor WASM User Interface
By Tim Corey 10 lessons 124 minNext Steps
By Tim Corey 2 lessons 10 minCertificate Awarded
You Are a Real-World C# Developer
You are now able to....
Build a working app that calls external APIs
Work with the HTTPClient for full CRUD actions
Implement multiple interfaces on one class library
Your Path to Real-World C# Developer
The App
Learn how to build a Postman clone in Winforms
Forum
Collaborative Student SpaceInitial Project
Milestone
Now you have a working Postman clone in .NET 8
User Interfaces
Add WPF and Blazor WebAssembly user interfaces
WPF User Interface
7 lessons 79 minBlazor WASM User Interface
10 lessons 124 minNext Steps
2 lessons 10 minCertificate Awarded
Course Completed
You Are a Real-World C# Developer
You are now able to....
Build a working app that calls external APIs
Work with the HTTPClient for full CRUD actions
Implement multiple interfaces on one class library
Ready to start your path?
Ready to start your path?

Hi, I'm Tim COREY
I learned software development the hard way, with lots of dead-ends, confusion, and knowledge gaps. I kept thinking, “It shouldn't be this hard!” Now I teach students how to think and code like professional developers. My goal is to make it easier for you to become a developer.
25+
Years Experience
400,000
Students
400+
Hours Content
8x
Microsoft MVP
Don't Just Take My Word for It
Hi, I'm Tim COREY
I learned software development the hard way, with lots of dead-ends, confusion, and knowledge gaps. I kept thinking, “It shouldn't be this hard!” Now I teach students how to think and code like professional developers. My goal is to make it easier for you to become a developer.

25+
Years Experience
400,000
Students
400+
Hours Content
8x
Microsoft MVP
Don't Just Take My Word for It

Hi, I'm Tim COREY
I learned software development the hard way, with lots of dead-ends, confusion, and knowledge gaps. I kept thinking, “It shouldn't be this hard!” Now I teach students how to think and code like professional developers. My goal is to make it easier for you to become a developer.
25+
Years Experience
400,000
Students
400+
Hours Content
8x
Microsoft MVP
Don't Just Take My Word for It
Purchase or Subscribe
Enroll in the course or get it as part of a DevPass Subscription

$97.00
One time payment

$55.00/m
Recurring Monthly Payment
Purchase or Subscribe
Enroll in the course or get it as part of a DevPass Subscription

$97.00
One time payment

$55.00/m
Recurring Monthly Payment
30 Day Money Back Guarantee
If this course or subscription isn't for you, you can count on a no-hassle 30 day Money Back Guarantee
Frequently Asked Questions
When does this course start and finish?
The course starts now and never ends! It is a completely self-paced online course; you decide when you start and when you finish.
How long do I have to access the course?
How does lifetime access sound? After enrolling, you have unlimited access to this course for as long as you like; across any and all devices you own.
What if I am unhappy with the course?
I do my best to provide the highest quality training to help you become a successful developer. But if this course isn't for you, then you can count on a no-hassle 30 Day Money Back Guarantee.