--- title: "How can you implement versioning in a .NET Core Web API?" description: "How can you implement versioning in a .NET Core Web API?" author: "Ravi Misra" published: 2023-08-30 updated: 2023-09-02 canonical: https://www.mindstick.com/forum/159734/how-can-you-implement-versioning-in-a-dot-net-core-web-api category: "web api" tags: [".net", ".net core", ".net core api"] reading_time: 3 minutes --- # How can you implement versioning in a .NET Core Web API? [Discuss the importance](https://www.mindstick.com/forum/158648/discuss-the-importance-of-monitoring-and-observability-in-microservices) of [API versioning](https://www.mindstick.com/articles/333603/a-guide-to-implementing-api-versioning-and-version-management-in-dot-net-core) and provide examples of different approaches (such as [URL](https://www.mindstick.com/forum/436/url-redirection)-based versioning, and [header](https://www.mindstick.com/articles/336036/explain-about-html-header-body-and-footer-tags)-based versioning) to implement versioning in a .NET [Core Web](https://www.mindstick.com/forum/160558/what-is-scaffolding-in-dot-net-core-web-api) API. ## Replies ### Reply by Aryan Kumar There are a few different ways to implement [versioning](https://www.mindstick.com/forum/159143/what-is-dll-versioning-and-why-it-is-important) in a .NET Core [web API](https://www.mindstick.com/articles/324352/how-to-create-web-api-in-dot-net-core-3-1-mvc). One way is to use **URI versioning**. In URI versioning, the version of the API is specified in the URI of the request. For example, the following URI would request the v2 of the API: ```plaintext https://api.example.com/v2/users ``` Another way to implement versioning is to use **header versioning**. In header versioning, the version of the API is specified in the HTTP header of the request. For example, the following header would request the v2 of the API: ```plaintext X-Api-Version: 2 ``` Finally, you can also implement versioning by using **media type versioning**. In media type versioning, the version of the API is specified in the media type of the response. For example, the following response would be the v2 of the API: ```plaintext Content-Type: application/json; version=2 ``` The best way to implement versioning in a .NET Core web API depends on the specific needs of your application. If you are developing an API that will be used by multiple clients, URI versioning is a good option. If you are developing an API that will be used by a single client, header versioning or media type versioning may be a better option. Here are some additional considerations when implementing versioning in a .NET Core web API: - **The versioning scheme:** The versioning scheme that you choose should be appropriate for the needs of your application. URI versioning is a simple and straightforward scheme, but it can be difficult to manage if you have a large number of versions. Header versioning and media type versioning are more complex schemes, but they can be more flexible and scalable. - **The versioning strategy:** The versioning strategy that you choose should be appropriate for the way that your API will be used. If you are developing an API that will be used by multiple clients, you may want to use a forward-compatible versioning strategy. This means that clients that are using older versions of the API will still be able to use the new features. If you are developing an API that will be used by a single client, you may want to use a backward-compatible versioning strategy. This means that clients that are using newer versions of the API will still be able to use the features that are available in older versions. - **The versioning documentation:** You should document the versioning scheme and strategy that you are using for your API. This will help your clients to understand how to use the API and to avoid compatibility issues. By following these considerations, you can implement versioning in a .NET Core web API in a way that is effective and efficient. --- Original Source: https://www.mindstick.com/forum/159734/how-can-you-implement-versioning-in-a-dot-net-core-web-api Copyright © MindStick Software Pvt. Ltd. This Markdown version is provided for developers, AI systems, and offline reading.