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API Testing - C# Corner

Home
Topics

API Testing

42 posts about API Testing

What If Every API Failed Today? Testing Resilience with Microsoft Dev Proxy

Mervyn Manilall

Mervyn Manilall

12dPublished Aug 18, 2026, 4:06 AMUpdated Aug 26, 2026, 9:57 AM

299

Building Autonomous QA Testing Agents for ASP.NET Core Applications

Nidhi Sharma

3moPublished Jun 8, 2026, 5:29 AMUpdated Jun 8, 2026, 6:08 AM

2.9k

Why Postman Web Cannot Access Your Localhost

Sandhiya Priya

Sandhiya Priya

3moPublished May 21, 2026, 9:52 AMUpdated May 21, 2026, 12:24 PM

1.4k

What is API Testing? A Complete Beginner-Friendly Guide

Aarav Patel

Aarav Patel

5moPublished Mar 17, 2026, 4:32 AMUpdated Mar 17, 2026, 4:34 AM

2.8k

Random User Generator API

Sandhiya Priya

Sandhiya Priya

5moPublished Mar 13, 2026, 4:44 AMUpdated Mar 17, 2026, 4:18 AM

3.3k

The importance of HTTP status codes in APIs

Bimalshi Jayarathna

Bimalshi Jayarathna

7moPublished Feb 1, 2026, 4:01 AMUpdated Feb 2, 2026, 3:56 AM

978

Why Does an API Work in Postman but Fail from a Frontend Application?

Saurav Kumar

Saurav Kumar

7moPublished Jan 27, 2026, 11:13 AMUpdated Jan 27, 2026, 11:36 AM

2.4k

Integration Testing Strategies for Salesforce APIs (Real-World, Production-Focused Guide)

Saurav Kumar

Saurav Kumar

7moPublished Jan 22, 2026, 5:32 AMUpdated Jan 22, 2026, 10:30 AM

2.5k

How to import and configure API with Azure API Management by using Azure portal?

Pankajkumar Patel

Pankajkumar Patel

7moPublished Jan 9, 2026, 6:05 AMUpdated Jan 12, 2026, 7:07 AM

1.9k

Working with DELETE Method, Postman Testing, Entity Framework

Sandhiya Priya

Sandhiya Priya

8moPublished Jan 1, 2026, 6:24 AMUpdated Jan 7, 2026, 6:19 AM

835

How to Start Manual API Testing with Postman

Baibhav Kumar

Baibhav Kumar

11moPublished Sep 18, 2025, 12:00 AMUpdated Sep 19, 2025, 3:52 AM

7.3k

What is an API?

Aarav Patel

Aarav Patel

1yPublished Sep 8, 2025, 4:21 AM

2.4k

Tag-based script execution in Bruno API Tool

Deera Sameera

1yPublished Aug 26, 2025, 12:00 AMUpdated Aug 29, 2025, 9:32 AM

2k

Best Architecture Design Framework for Automation Suite

Pratik Chavan

Pratik Chavan

1yPublished Jul 21, 2025, 9:16 AM

1.1k

Testing with Moq for Clean and Reliable Code in ASP.NET Core with C# 13 and xUnit

Ziggy Rafiq

Ziggy Rafiq

1yPublished Jun 8, 2025, 1:56 PMUpdated Jun 8, 2025, 1:57 PM

3.8k

Validating Client ID And Client Secret Using POSTMAN

Vinay Ayinapurapu

Vinay Ayinapurapu

1yPublished Aug 30, 2022, 12:00 AMUpdated Feb 7, 2025, 8:39 AM

38.4k

Use Endpoints Explorer with .http Files in Visual Studio

Jay Krishna Reddy

Jay Krishna Reddy

1yPublished Dec 23, 2024, 6:51 AM

3.4k

Understanding .http Files in .NET 8

Kirtesh Shah

Kirtesh Shah

1yPublished Dec 1, 2024, 12:00 AMUpdated Dec 1, 2024, 5:24 AM

6.4k

Endpoint Explorer in Visual Studio 2022

Devesh Omar

Devesh Omar

1yPublished Oct 28, 2024, 12:00 AMUpdated Oct 28, 2024, 5:54 AM

4k

Importing .NET Core APIs into Postman

Vinoth Xavier

Vinoth Xavier

1yPublished Oct 10, 2024, 12:00 AMUpdated Oct 10, 2024, 5:42 AM

5.3k

Automation of Test Case Management by Using REST API Integration

Bimalshi Jayarathna

Bimalshi Jayarathna

1yPublished Oct 2, 2024, 12:00 AMUpdated Oct 2, 2024, 5:15 AM

1.8k

ASP.NET Web API With Swagger

Hemant Panchal

Hemant Panchal

2yPublished Feb 6, 2018, 12:00 AMUpdated Aug 22, 2024, 5:02 AM

76k

Getting started with Integration Testing in ASP.NET Core

Safyan Yaqoob

Safyan Yaqoob

2yPublished Aug 20, 2024, 12:00 AMUpdated Aug 20, 2024, 11:44 AM

7.1k

SpecFlow to Reqnroll - Step-by-Step Guide to Migrating BDD Tests

Keerthi Raja

Keerthi Raja

2yPublished Aug 13, 2024, 12:00 AMUpdated Aug 14, 2024, 5:17 AM

13.6k

Investigating and Fixing Swagger Error- Failed to Load API Definition

Satya Karki

Satya Karki

2yPublished Jul 29, 2024, 12:00 AMUpdated Jul 29, 2024, 5:08 AM

5.3k

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