Rate Limiting in ASP.NET Core API

How to config Rate Limiting in ASP.NET Core Web API

Yohan Malshika
4 min readOct 21, 2024

In today’s world, it’s important to manage high volumes of requests efficiently in your application while staying stable. Rate limiting is one common way to manage request loads. In this article, we’ll discuss how to implement rate limiting in ASP.NET Core APIs, why it’s essential, and the best practices to follow.

What is Rate Limiting?

Rate limiting controls how many requests a client can send to a server in a set time. It helps prevent too many requests at once. This makes sure everyone gets fair access. It also keeps the system running smoothly by slowing down traffic when needed.

Why Rate Limiting is Important?

  • Preventing Server Overload: Too many requests can overload your server. It will lead to slow your application or even crashes. Rate limiting helps prevent this by setting a limit on the number of requests a client can make.
  • Improved Security: Rate limiting helps stop certain types of attacks, like brute force attacks. It does this by limiting the number of login attempts or API calls a client can make.
  • Fair Usage: Rate limiting ensures that no single client controls the API’s resources. It will ensure…

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Yohan Malshika
Yohan Malshika

Written by Yohan Malshika

Software Engineer | .Net Developer | Technical Writer

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