![]() For example, you can work with OData and enable a versioned API explorer, enabling you to add versioned documentation to your services. This post only scratches the surface-there’s so much more you can do with the NuGet package. With this in place, clients get v2.0 of our API by calling /api/bands/4?version=2 or specifying a X-Api-Version header value of 2. If I call an API with a URL of, I’ll get the following response: ) If you're new to ASP.NET Core web development, consider the Razor Pages version of this tutorial, which provides an easier starting point. So what happens if the contract changes? Let’s look at a simple example. 22 contributors Feedback In this article Prerequisites Create a web app Visual Studio help By Rick Anderson This tutorial teaches ASP.NET Core MVC web development with controllers and views. When you ship an API, you’re inviting developers to consume it based on an agreed-upon contract. They provide a simple and powerful way to add versioning semantics to your REST services and is also compliant with the Microsoft REST Guidelines. Learn how to use this package to version your APIs easily. Since ASP.NET Core 3.1, Microsoft has provided libraries to help with API versioning. But the idea should be clear.Since ASP.NET Core 3.1, you have the ability to version your APIs using a Microsoft NuGet package. Maybe put a little bit more effort in it than simply taking my code because it’s not production-ready. You should provide API versioning right from the beginning of your project. You can for instance control what ASP.NET Core delivers in responses, how to implement default versions if there is no version specified in the URL (fallback if you switch later in your project) and Conclusion There are a lot of good posts going into more detail (see Links at the top). My goal was to give you a first understanding of the versioning in ASP.NET Core and Swashbuckle. My sample code shown here only covers pretty basic configuration options and is not very elegant. When you run your app now you should be able to select different API versions in Swagger (top right) and when you test version 1.1 you should get a price too. NET is a free, cross-platform, open-source developer platform for building many different types of applications. So instead of replacing the existing API you would provide a new version of your facade so that consumers of the former model would be still served. This would be considered a breaking change and this should lead to a new version (see Semantic Versioning for more details on this). In ASP.NET Core 6 and later, configuration is handled entirely in the Program.cs file. version: 1.0 Version as part of a media type: GET /people HTTP/1.1 Host: Accept: application/json v1.0 To add versioning to our APIs in. To be precise: by changes I don’t mean to add a property in the data contract but for instance to rename one. At some point in time you eventually run into the point where a breaking change might be inevitable. It doesn’t matter how good you plan your API project. Wiki of the versioning-project on GitHub. ![]() After my collegue discovered this Microsoft repository I decided to re-implement the sample listed in our repo and I will write an update to this article soon. NET Core NET Core Visual Studio Code Visual Studio 2017 Versions Covered in this. In this article I'll show how I realized it including Swagger. ![]() ![]() API versioning with ASP.NET Core and SwashbuckleĪlexander Schmidt | MaI always was interested how to version a REST API correctly in ASP.NET Core. ![]()
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