How to implement API key authentication in ASP.NET Core

How to implement API key authentication in ASP.NET Core

HomeMilan JovanovićHow to implement API key authentication in ASP.NET Core
How to implement API key authentication in ASP.NET Core
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API key authentication is often used in S2S scenarios. You give the API caller a unique key that they use to authenticate to your API. The API key can be sent in a number of ways. For example, it can be sent in a request header, the query string, or in a cookie. I'll show you how to implement API key authentication in minimal APIs and how to do it with controllers.

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How to implement API key authentication in ASP.NET Core
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Chapter
0:00 Defining an endpoint filter
1:50 Implementing ApiKeyAuthenticationEndpointFilter
6:45 How an endpoint filter works
8:37 Validate the API key
12:32 Alternatives to sending the API key in the header
13:22 Alternatives to storing API keys in the application configuration
14:12 API key authentication with controllers

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