HTTP Status Codes in Web API - 7/7 | Introduction to Web API with .NET Core
In this video, we’ll go through the most commonly used HTTP status codes you’ll encounter when working with Web APIs including both success and error responses.
You’ll learn what each code means, when to use them, and how to simulate them using Postman.
We’ll cover the following status codes in detail:
✅ 200 OK – Successful GET request
✅ 201 Created – Resource successfully created
✅ 204 No Content – Update or delete successful, no response data
⚠️ 400 Bad Request – Invalid or missing parameters
🔒 401 Unauthorized – Authentication required
🚫 403 Forbidden – No permission even when authenticated
❓ 404 Not Found – Resource or endpoint doesn’t exist
💥 500 Internal Server Error – Unexpected error on the server
By the end of this tutorial, you’ll understand how to handle these responses properly in your own Web API projects.
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