---
title: "How can you handle asynchronous API calls in an ASP.NET MVC application?"  
description: "How can you handle asynchronous API calls in an ASP.NET MVC application?"  
author: "Rocky Dada"  
published: 2023-08-30  
updated: 2023-08-30  
canonical: https://www.mindstick.com/forum/159783/how-can-you-handle-asynchronous-api-calls-in-an-asp-dot-net-mvc-application  
category: "web api"  
tags: ["c#", ".net", ".net core api"]  
reading_time: 2 minutes  

---

# How can you handle asynchronous API calls in an ASP.NET MVC application?

[Discuss the importance](https://www.mindstick.com/forum/158648/discuss-the-importance-of-monitoring-and-observability-in-microservices) of [asynchronous programming](https://www.mindstick.com/articles/338169/exploring-the-power-of-asynchronous-programming-in-c-sharp) when [consuming APIs in ASP.NET](https://www.mindstick.com/forum/159774/what-are-the-best-practices-for-error-handling-when-consuming-apis-in-asp-dot-net-mvc) MVC. Explain how to use async/await to make [asynchronous API](https://www.mindstick.com/forum/159792/how-can-you-handle-asynchronous-api-calls-in-a-client-side-application) calls without blocking the main thread.

## Replies

### Reply by Aryan Kumar

There are a few ways to handle [asynchronous](https://www.mindstick.com/blog/178/synchronous-and-asynchronous-command-execution-in-c-sharp-dot-net) API calls in an [ASP.NET MVC](https://www.mindstick.com/forum/155798/what-is-caching-in-asp-dot-net-mvc) application. Here are two of the most common methods:

1. **Using the** `async` **and** `await` **keywords:** The `async` and `await` keywords are keywords that allow you to write asynchronous code in C#. The `async` keyword is used to mark a method as asynchronous, and the `await` keyword is used to suspend the execution of a method until the asynchronous operation completes.
2. **Using the** `Task` **class:** The `Task` class is a class that represents an asynchronous operation. You can use the `Task` class to create, start, and wait for asynchronous operations.

Here is an example of how to use the `async` and `await` keywords to handle an asynchronous API call in an ASP.NET MVC application:

C#

```plaintext
public async Task<IActionResult> Index()
{
    // This code will make an asynchronous API call.
    var response = await HttpClient.GetAsync("https://api.example.com/products");

    // The `response` variable will be available once the API call completes.

    return View(response.Content.ReadAsStringAsync());
}
```

Here is an example of how to use the `Task` class to handle an asynchronous API call in an ASP.NET MVC application:

C#

```plaintext
public IActionResult Index()
{
    // This code will create a Task object to represent the asynchronous API call.
    var task = HttpClient.GetAsync("https://api.example.com/products");

    // The `task` variable will be available immediately.

    // This code will wait for the asynchronous API call to complete.
    task.Wait();

    // The `response` variable will be available once the API call completes.

    return View(task.Result.Content.ReadAsStringAsync());
}
```

The best way to handle asynchronous API calls in an ASP.NET MVC application will depend on the specific needs of your application. You should consider the factors such as the complexity of the API, the performance requirements of your application, and the familiarity of your developers with the different techniques.


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Original Source: https://www.mindstick.com/forum/159783/how-can-you-handle-asynchronous-api-calls-in-an-asp-dot-net-mvc-application

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